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DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001349 | image | abc_question_images/earth_parts_10540.png | earth_parts_10540.png | 1 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001537 | image | question_images/earth_parts_540.png | earth_parts_540.png | 0.924554 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001407 | image | abc_question_images/earth_parts_16022.png | earth_parts_16022.png | 0.918329 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001370 | image | abc_question_images/earth_parts_10649.png | earth_parts_10649.png | 0.910121 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001672 | image | question_images/earth_parts_649.png | earth_parts_649.png | 0.90086 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_1193 | image | textbook_images/formation_of_earth_20784.png | FIGURE 1.1 Earths interior: Inner core, outer core, mantle, and crust. | 0.887975 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001629 | image | question_images/earth_parts_6022.png | earth_parts_6022.png | 0.887011 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_0098 | image | textbook_images/the_origin_of_earth_20072.png | FIGURE 12.4 Earths layers. | 0.883732 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001584 | image | question_images/earth_parts_6014.png | earth_parts_6014.png | 0.88314 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | DQ_001591 | image | question_images/earth_parts_6015.png | earth_parts_6015.png | 0.87895 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_0726 | text | null | Nuclear energy is produced by splitting the nucleus of an atom. This releases a huge amount of energy. | 0.567649 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_0541 | text | null | The three outer layers of the Sun are its atmosphere. | 0.557114 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_1682 | text | null | By tracking seismic waves, scientists have learned what makes up the planets interior (Figure 1.4). P-waves slow down at the mantle core boundary, so we know the outer core is less rigid than the mantle. S-waves disappear at the mantle core boundary, so we know the outer core is liquid. | 0.549876 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_4593 | text | null | Matter is all the stuff that exists in the universe. Everything you can see and touch is made of matter, including you! The only things that arent matter are forms of energy, such as light and sound. In science, matter is defined as anything that has mass and volume. Mass and volume measure different aspects of matter. | 0.54156 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.54091 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_3943 | text | null | The particles that make up matter are also constantly moving. They have kinetic energy. The theory that all matter consists of constantly moving particles is called the kinetic theory of matter. You can learn more about it at the URL below. | 0.538476 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_3941 | text | null | Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter. | 0.529645 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_3970 | text | null | The number of protons per atom is always the same for a given element. However, the number of neutrons may vary, and the number of electrons can change. | 0.528932 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_1720 | text | null | The Sun is Earths major source of energy, yet the planet only receives a small portion of its energy. The Sun is just an ordinary star. Many stars produce much more energy than the Sun. The energy source for all stars is nuclear fusion. | 0.526745 |
DQ_001350 | Where is the outer core? | abc_question_images/earth_parts_10540.png | a. r, b. t, c. x, d. m | a | T_0596 | text | null | Pluto was once considered one of the outer planets, but when the definition of a planet was changed in 2006, Pluto became one of the dwarf planets. It is one of the largest and brightest objects that make up this group. Look for Pluto in the next lesson, in the discussion of dwarf planets. | 0.524534 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001351 | image | abc_question_images/earth_parts_10543.png | earth_parts_10543.png | 1 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001546 | image | question_images/earth_parts_543.png | earth_parts_543.png | 0.961683 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001416 | image | abc_question_images/earth_parts_16025.png | earth_parts_16025.png | 0.889016 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001620 | image | question_images/earth_parts_6020.png | earth_parts_6020.png | 0.872634 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001392 | image | abc_question_images/earth_parts_14058.png | earth_parts_14058.png | 0.866409 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001645 | image | question_images/earth_parts_6025.png | earth_parts_6025.png | 0.861101 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001356 | image | abc_question_images/earth_parts_10544.png | earth_parts_10544.png | 0.857672 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001552 | image | question_images/earth_parts_544.png | earth_parts_544.png | 0.856251 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001505 | image | question_images/earth_parts_4058.png | earth_parts_4058.png | 0.847424 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | DQ_001663 | image | question_images/earth_parts_640.png | earth_parts_640.png | 0.836508 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_0751 | text | null | Crust, mantle, and core differ from each other in chemical composition. Its understandable that scientists know the most about the crust, and less about deeper layers (Figure 6.3). Earths crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges. | 0.547015 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_1557 | text | null | The first crust was made of basaltic rock, like the current ocean crust. Partial melting of the lower portion of the basaltic crust began more than 4 billion years ago. This created the silica-rich crust that became the felsic continents. | 0.480701 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_0103 | text | null | The earliest crust was probably basalt. It may have resembled the current seafloor. This crust formed before there were any oceans. More than 4 billion years ago, continental crust appeared. The first continents were very small compared with those today. | 0.475868 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_1447 | text | null | Minerals are divided into groups based on chemical composition. Most minerals fit into one of eight mineral groups. | 0.464801 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_1698 | text | null | How well soil forms and what type of soil forms depends on several different factors, which are described below. | 0.456834 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_0164 | text | null | You know that ocean water is salty. But do you know why? How salty is it? | 0.453936 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_1467 | text | null | Organic substances are the carbon-based compounds made by living creatures and include proteins, carbohydrates, and oils. Inorganic substances have a structure that is not characteristic of living bodies. Coal is made of plant and animal remains. Is it a mineral? Coal is a classified as a sedimentary rock, but is not a mineral. | 0.450003 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_1106 | text | null | Despite these problems, there is a rich fossil record. How does an organism become fossilized? | 0.449759 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_0076 | text | null | Rock layers may have another rock cutting across them, like the igneous rock in Figure 11.9. Which rock is older? To determine this, we use the law of cross-cutting relationships. The cut rock layers are older than the rock that cuts across them. | 0.449027 |
DQ_001351 | Which label refers to the crust? | abc_question_images/earth_parts_10543.png | a. P, b. A, c. E, d. X | c | T_1194 | text | null | Lighter materials accumulated at the surface of the mantle to become the earliest crust. The first crust was probably basaltic, like the oceanic crust is today. Intense heat from the early core drove rapid and vigorous mantle convection so that crust quickly recycled into the mantle. The recycling of basaltic crust was so effective that no remnants of it are found today. | 0.446191 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001351 | image | abc_question_images/earth_parts_10543.png | earth_parts_10543.png | 1 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001546 | image | question_images/earth_parts_543.png | earth_parts_543.png | 0.961683 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001416 | image | abc_question_images/earth_parts_16025.png | earth_parts_16025.png | 0.889016 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001620 | image | question_images/earth_parts_6020.png | earth_parts_6020.png | 0.872634 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001392 | image | abc_question_images/earth_parts_14058.png | earth_parts_14058.png | 0.866409 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001645 | image | question_images/earth_parts_6025.png | earth_parts_6025.png | 0.861101 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001356 | image | abc_question_images/earth_parts_10544.png | earth_parts_10544.png | 0.857672 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001552 | image | question_images/earth_parts_544.png | earth_parts_544.png | 0.856251 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001505 | image | question_images/earth_parts_4058.png | earth_parts_4058.png | 0.847424 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | DQ_001663 | image | question_images/earth_parts_640.png | earth_parts_640.png | 0.836508 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_1116 | text | null | The two most important things about the mantle are: (1) it is made of solid rock, and (2) it is hot. | 0.675424 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_1371 | text | null | The asthenosphere is solid upper mantle material that is so hot that it behaves plastically and can flow. The lithosphere rides on the asthenosphere. | 0.673043 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_0751 | text | null | Crust, mantle, and core differ from each other in chemical composition. Its understandable that scientists know the most about the crust, and less about deeper layers (Figure 6.3). Earths crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges. | 0.651649 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_1864 | text | null | At divergent plate boundaries hot mantle rock rises into the space where the plates are moving apart. As the hot mantle rock convects upward it rises higher in the mantle. The rock is under lower pressure; this lowers the melting temperature of the rock and so it melts. Lava erupts through long cracks in the ground, or fissures. | 0.641065 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_1855 | text | null | Volcanoes erupt because mantle rock melts. This is the first stage in creating a volcano. Remember from the chapter Materials of Earths Crust that mantle may melt if temperature rises, pressure lowers, or water is added. Be sure to think about how and why melting occurs in the settings where there is volcanism mentioned in the next few concepts. | 0.638226 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_0777 | text | null | Plates move apart at divergent plate boundaries. This can occur in the oceans or on land. | 0.631756 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_1194 | text | null | Lighter materials accumulated at the surface of the mantle to become the earliest crust. The first crust was probably basaltic, like the oceanic crust is today. Intense heat from the early core drove rapid and vigorous mantle convection so that crust quickly recycled into the mantle. The recycling of basaltic crust was so effective that no remnants of it are found today. | 0.624106 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_0799 | text | null | Many processes create mountains. Most mountains form along plate boundaries. A few mountains may form in the middle of a plate. For example, huge volcanoes are mountains formed at hotspots within the Pacific Plate. | 0.617079 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_1298 | text | null | Different factors play into the composition of a magma and the rock it produces. | 0.616862 |
DQ_001352 | Which label shows the lower mantle? | abc_question_images/earth_parts_10543.png | a. Y, b. P, c. W, d. X | d | T_1682 | text | null | By tracking seismic waves, scientists have learned what makes up the planets interior (Figure 1.4). P-waves slow down at the mantle core boundary, so we know the outer core is less rigid than the mantle. S-waves disappear at the mantle core boundary, so we know the outer core is liquid. | 0.606817 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001351 | image | abc_question_images/earth_parts_10543.png | earth_parts_10543.png | 1 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001546 | image | question_images/earth_parts_543.png | earth_parts_543.png | 0.961683 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001416 | image | abc_question_images/earth_parts_16025.png | earth_parts_16025.png | 0.889016 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001620 | image | question_images/earth_parts_6020.png | earth_parts_6020.png | 0.872634 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001392 | image | abc_question_images/earth_parts_14058.png | earth_parts_14058.png | 0.866409 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001645 | image | question_images/earth_parts_6025.png | earth_parts_6025.png | 0.861101 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001356 | image | abc_question_images/earth_parts_10544.png | earth_parts_10544.png | 0.857672 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001552 | image | question_images/earth_parts_544.png | earth_parts_544.png | 0.856251 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001505 | image | question_images/earth_parts_4058.png | earth_parts_4058.png | 0.847424 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | DQ_001663 | image | question_images/earth_parts_640.png | earth_parts_640.png | 0.836508 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_1578 | text | null | The atmosphere has different properties at different elevations above sea level, or altitudes. | 0.616841 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_0194 | text | null | We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. | 0.616353 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_1753 | text | null | The atmosphere is layered, corresponding with how the atmospheres temperature changes with altitude. By under- standing the way temperature changes with altitude, we can learn a lot about how the atmosphere works. | 0.60662 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_0199 | text | null | Without the atmosphere, there would be no clouds or rain. In fact, there would be no weather at all. Most weather occurs because the atmosphere heats up more in some places than others. | 0.602674 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_1311 | text | null | Without the atmosphere, Earth would look a lot more like the Moon. Atmospheric gases, especially carbon dioxide (CO2 ) and oxygen (O2 ), are extremely important for living organisms. How does the atmosphere make life possible? How does life alter the atmosphere? The composition of Earths atmosphere. | 0.601171 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_1797 | text | null | The two types of air pollutants are primary pollutants, which enter the atmosphere directly, and secondary pollutants, which form from a chemical reaction. | 0.60071 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_0966 | text | null | Why is such a small amount of carbon dioxide in the atmosphere even important? Carbon dioxide is a greenhouse gas. Greenhouse gases trap heat energy that would otherwise radiate out into space, which warms Earth. These gases were discussed in the chapter Atmospheric Processes. | 0.587774 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_0205 | text | null | We usually cant sense the air around us unless it is moving. But air has the same basic properties as other matter. For example, air has mass, volume and, of course, density. | 0.58529 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_0262 | text | null | An air mass is a large body of air that has about the same conditions throughout. For example, an air mass might have cold dry air. Another air mass might have warm moist air. The conditions in an air mass depend on where the air mass formed. | 0.58185 |
DQ_001353 | Which letter represents the atmosphere? | abc_question_images/earth_parts_10543.png | a. p, b. a, c. e, d. x | b | T_0229 | text | null | Air temperature in the stratosphere layer increases with altitude. Why? The stratosphere gets most of its heat from the Sun. Therefore, its warmer closer to the Sun. The air at the bottom of the stratosphere is cold. The cold air is dense, so it doesnt rise. As a result, there is little mixing of air in this layer. | 0.577204 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001351 | image | abc_question_images/earth_parts_10543.png | earth_parts_10543.png | 1 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001546 | image | question_images/earth_parts_543.png | earth_parts_543.png | 0.961683 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001416 | image | abc_question_images/earth_parts_16025.png | earth_parts_16025.png | 0.889016 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001620 | image | question_images/earth_parts_6020.png | earth_parts_6020.png | 0.872634 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001392 | image | abc_question_images/earth_parts_14058.png | earth_parts_14058.png | 0.866409 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001645 | image | question_images/earth_parts_6025.png | earth_parts_6025.png | 0.861101 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001356 | image | abc_question_images/earth_parts_10544.png | earth_parts_10544.png | 0.857672 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001552 | image | question_images/earth_parts_544.png | earth_parts_544.png | 0.856251 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001505 | image | question_images/earth_parts_4058.png | earth_parts_4058.png | 0.847424 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | DQ_001663 | image | question_images/earth_parts_640.png | earth_parts_640.png | 0.836508 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_0751 | text | null | Crust, mantle, and core differ from each other in chemical composition. Its understandable that scientists know the most about the crust, and less about deeper layers (Figure 6.3). Earths crust is a thin, brittle outer shell. The crust is made of rock. This layer is thinner under the oceans and much thicker in mountain ranges. | 0.678693 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_1371 | text | null | The asthenosphere is solid upper mantle material that is so hot that it behaves plastically and can flow. The lithosphere rides on the asthenosphere. | 0.66723 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_1116 | text | null | The two most important things about the mantle are: (1) it is made of solid rock, and (2) it is hot. | 0.661445 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_1864 | text | null | At divergent plate boundaries hot mantle rock rises into the space where the plates are moving apart. As the hot mantle rock convects upward it rises higher in the mantle. The rock is under lower pressure; this lowers the melting temperature of the rock and so it melts. Lava erupts through long cracks in the ground, or fissures. | 0.653496 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_0078 | text | null | When rock layers are in the same place, its easy to give them relative ages. But what if rock layers are far apart? What if they are on different continents? What evidence is used to match rock layers in different places? | 0.642926 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_1194 | text | null | Lighter materials accumulated at the surface of the mantle to become the earliest crust. The first crust was probably basaltic, like the oceanic crust is today. Intense heat from the early core drove rapid and vigorous mantle convection so that crust quickly recycled into the mantle. The recycling of basaltic crust was so effective that no remnants of it are found today. | 0.641428 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_0777 | text | null | Plates move apart at divergent plate boundaries. This can occur in the oceans or on land. | 0.635533 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_1855 | text | null | Volcanoes erupt because mantle rock melts. This is the first stage in creating a volcano. Remember from the chapter Materials of Earths Crust that mantle may melt if temperature rises, pressure lowers, or water is added. Be sure to think about how and why melting occurs in the settings where there is volcanism mentioned in the next few concepts. | 0.627482 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_0799 | text | null | Many processes create mountains. Most mountains form along plate boundaries. A few mountains may form in the middle of a plate. For example, huge volcanoes are mountains formed at hotspots within the Pacific Plate. | 0.622565 |
DQ_001354 | Which label identifies the layer directly beneath the lower mantle? | abc_question_images/earth_parts_10543.png | a. X, b. P, c. Y, d. W | c | T_1682 | text | null | By tracking seismic waves, scientists have learned what makes up the planets interior (Figure 1.4). P-waves slow down at the mantle core boundary, so we know the outer core is less rigid than the mantle. S-waves disappear at the mantle core boundary, so we know the outer core is liquid. | 0.617996 |
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