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forming fossil fuels requires deposition and burial of decaying plants & if something is required for the formation of fossil fuels then that something helps in the formation of fossil fuels -> decaying plants help in the formation of fossil <mask>
fuels
if something is formed from something else over a very long period of time, then that something else existed a very long time ago & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> the <mask> that formed fossil fuels existed a very long time ago
organisms
if something is formed from something else over a very long period of time, then that something else existed a very long time ago & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> the organisms that <mask> fossil fuels existed a very long time ago
formed
if something is formed from something else over a very long period of time, then that something else existed a very long time ago & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> the organisms that formed <mask> fuels existed a very long time ago
fossil
if something is formed from something else over a very long period of time, then that something else existed a very long time ago & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> the organisms that formed fossil <mask> existed a very long time ago
fuels
if something is formed from something else over a very long period of time, then that something else existed a very long time ago & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> the organisms that formed fossil fuels <mask> a very long time ago
existed
if something is formed from something else over a very long period of time, then that something else existed a very long time ago & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> the organisms that formed fossil fuels existed a very <mask> time ago
long
if something is formed from something else over a very long period of time, then that something else existed a very long time ago & fossil fuels / fossils forming occurs over a period of 300000000 years which is considered a very long time to a human -> the organisms that formed fossil fuels existed a very long <mask> ago
time
the organisms that formed fossil fuels existed a very long time ago & prehistoric means something that existed a very long time ago -> the <mask> that formed fossil fuels are prehistoric
organisms
the organisms that formed fossil fuels existed a very long time ago & prehistoric means something that existed a very long time ago -> the organisms that <mask> fossil fuels are prehistoric
formed
the organisms that formed fossil fuels existed a very long time ago & prehistoric means something that existed a very long time ago -> the organisms that formed <mask> fuels are prehistoric
fossil
the organisms that formed fossil fuels existed a very long time ago & prehistoric means something that existed a very long time ago -> the organisms that formed fossil <mask> are prehistoric
fuels
the organisms that formed fossil fuels are prehistoric & prehistoric means something that existed a very long time ago1 -> the <mask> that formed fossil fuels are prehistoric
plants
the organisms that formed fossil fuels are prehistoric & prehistoric means something that existed a very long time ago1 -> the plants that <mask> fossil fuels are prehistoric
formed
the organisms that formed fossil fuels are prehistoric & prehistoric means something that existed a very long time ago1 -> the plants that formed <mask> fuels are prehistoric
fossil
the organisms that formed fossil fuels are prehistoric & prehistoric means something that existed a very long time ago1 -> the plants that formed fossil <mask> are prehistoric
fuels
decaying plants help in the formation of fossil fuels & the plants that formed fossil fuels are prehistoric -> prehistoric <mask> plants help in the formation of fossil fuels
decaying
decaying plants help in the formation of fossil fuels & the plants that formed fossil fuels are prehistoric -> prehistoric decaying <mask> help in the formation of fossil fuels
plants
decaying plants help in the formation of fossil fuels & the plants that formed fossil fuels are prehistoric -> prehistoric decaying plants <mask> in the formation of fossil fuels
help
decaying plants help in the formation of fossil fuels & the plants that formed fossil fuels are prehistoric -> prehistoric decaying plants help in the <mask> of fossil fuels
formation
decaying plants help in the formation of fossil fuels & the plants that formed fossil fuels are prehistoric -> prehistoric decaying plants help in the formation of <mask> fuels
fossil
decaying plants help in the formation of fossil fuels & the plants that formed fossil fuels are prehistoric -> prehistoric decaying plants help in the formation of fossil <mask>
fuels
oil is a kind of fossil fuel & coal is a kind of fossil fuel -> <mask> and oil are kinds of fossil fuels
coal
oil is a kind of fossil fuel & coal is a kind of fossil fuel -> coal and <mask> are kinds of fossil fuels
oil
oil is a kind of fossil fuel & coal is a kind of fossil fuel -> coal and oil are <mask> of fossil fuels
kinds
oil is a kind of fossil fuel & coal is a kind of fossil fuel -> coal and oil are kinds of <mask> fuels
fossil
oil is a kind of fossil fuel & coal is a kind of fossil fuel -> coal and oil are kinds of fossil <mask>
fuels
prehistoric means something that existed a very long time ago2 & natural gas is a kind of fossil fuel -> <mask> is a kind of fossil fuel
gas
prehistoric means something that existed a very long time ago2 & natural gas is a kind of fossil fuel -> gas is a <mask> of fossil fuel
kind
prehistoric means something that existed a very long time ago2 & natural gas is a kind of fossil fuel -> gas is a kind of <mask> fuel
fossil
prehistoric means something that existed a very long time ago2 & natural gas is a kind of fossil fuel -> gas is a kind of fossil <mask>
fuel
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> <mask> fossil fuels requires deposition and burial of decaying plants0: coal and oil and gas are kinds of fossil fuels
forming
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming <mask> fuels requires deposition and burial of decaying plants0: coal and oil and gas are kinds of fossil fuels
fossil
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil <mask> requires deposition and burial of decaying plants0: coal and oil and gas are kinds of fossil fuels
fuels
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels <mask> deposition and burial of decaying plants0: coal and oil and gas are kinds of fossil fuels
requires
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires <mask> and burial of decaying plants0: coal and oil and gas are kinds of fossil fuels
deposition
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and <mask> of decaying plants0: coal and oil and gas are kinds of fossil fuels
burial
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and burial of <mask> plants0: coal and oil and gas are kinds of fossil fuels
decaying
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and burial of decaying plants0: <mask> and oil and gas are kinds of fossil fuels
coal
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and burial of decaying plants0: coal and <mask> and gas are kinds of fossil fuels
oil
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and burial of decaying plants0: coal and oil and <mask> are kinds of fossil fuels
gas
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and burial of decaying plants0: coal and oil and gas are <mask> of fossil fuels
kinds
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and burial of decaying plants0: coal and oil and gas are kinds of <mask> fuels
fossil
coal and oil are kinds of fossil fuels & gas is a kind of fossil fuel -> forming fossil fuels requires deposition and burial of decaying plants0: coal and oil and gas are kinds of fossil <mask>
fuels
forming fossil fuels requires deposition and burial of decaying plants0 & prehistoric decaying plants help in the formation of fossil fuels -> prehistoric <mask> plants help in the formation of coal and oil and gas
decaying
forming fossil fuels requires deposition and burial of decaying plants0 & prehistoric decaying plants help in the formation of fossil fuels -> prehistoric decaying <mask> help in the formation of coal and oil and gas
plants
forming fossil fuels requires deposition and burial of decaying plants0 & prehistoric decaying plants help in the formation of fossil fuels -> prehistoric decaying plants <mask> in the formation of coal and oil and gas
help
forming fossil fuels requires deposition and burial of decaying plants0 & prehistoric decaying plants help in the formation of fossil fuels -> prehistoric decaying plants help in the <mask> of coal and oil and gas
formation
forming fossil fuels requires deposition and burial of decaying plants0 & prehistoric decaying plants help in the formation of fossil fuels -> prehistoric decaying plants help in the formation of <mask> and oil and gas
coal
forming fossil fuels requires deposition and burial of decaying plants0 & prehistoric decaying plants help in the formation of fossil fuels -> prehistoric decaying plants help in the formation of coal and <mask> and gas
oil
forming fossil fuels requires deposition and burial of decaying plants0 & prehistoric decaying plants help in the formation of fossil fuels -> prehistoric decaying plants help in the formation of coal and oil and <mask>
gas
the atmosphere is a kind of location & if something releases something else into a location then that something adds that something else to that location -> if something <mask> something else into the atmosphere then that something adds that something else to the atmosphere
releases
the atmosphere is a kind of location & if something releases something else into a location then that something adds that something else to that location -> if something releases something else into the <mask> then that something adds that something else to the atmosphere
atmosphere
the atmosphere is a kind of location & if something releases something else into a location then that something adds that something else to that location -> if something releases something else into the atmosphere then that something <mask> that something else to the atmosphere
adds
the atmosphere is a kind of location & if something releases something else into a location then that something adds that something else to that location -> if something releases something else into the atmosphere then that something adds that something else to the <mask>
atmosphere
if something releases something else into the atmosphere then that something adds that something else to the atmosphere & coal is used for generating heat by burning0 -> <mask> fossil fuels adds carbon dioxide to the atmosphere
burning
if something releases something else into the atmosphere then that something adds that something else to the atmosphere & coal is used for generating heat by burning0 -> burning <mask> fuels adds carbon dioxide to the atmosphere
fossil
if something releases something else into the atmosphere then that something adds that something else to the atmosphere & coal is used for generating heat by burning0 -> burning fossil <mask> adds carbon dioxide to the atmosphere
fuels
if something releases something else into the atmosphere then that something adds that something else to the atmosphere & coal is used for generating heat by burning0 -> burning fossil fuels <mask> carbon dioxide to the atmosphere
adds
if something releases something else into the atmosphere then that something adds that something else to the atmosphere & coal is used for generating heat by burning0 -> burning fossil fuels adds <mask> dioxide to the atmosphere
carbon
if something releases something else into the atmosphere then that something adds that something else to the atmosphere & coal is used for generating heat by burning0 -> burning fossil fuels adds carbon <mask> to the atmosphere
dioxide
if something releases something else into the atmosphere then that something adds that something else to the atmosphere & coal is used for generating heat by burning0 -> burning fossil fuels adds carbon dioxide to the <mask>
atmosphere
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> <mask> released during the use of fossil fuels cause an increase in global temperature
gases
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> gases <mask> during the use of fossil fuels cause an increase in global temperature
released
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> gases released during the <mask> of fossil fuels cause an increase in global temperature
use
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> gases released during the use of <mask> fuels cause an increase in global temperature
fossil
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> gases released during the use of fossil <mask> cause an increase in global temperature
fuels
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> gases released during the use of fossil fuels <mask> an increase in global temperature
cause
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> gases released during the use of fossil fuels cause an <mask> in global temperature
increase
warming means an increase in temperature & gases released during the use of fossil fuels causes global warming -> gases released during the use of fossil fuels cause an increase in global <mask>
temperature
coal is used for generating heat by burning2 & the atmosphere is a part of the planet -> the <mask> of the atmosphere is a part of the global temperature
temperature
coal is used for generating heat by burning2 & the atmosphere is a part of the planet -> the temperature of the <mask> is a part of the global temperature
atmosphere
coal is used for generating heat by burning2 & the atmosphere is a part of the planet -> the temperature of the atmosphere is a <mask> of the global temperature
part
coal is used for generating heat by burning2 & the atmosphere is a part of the planet -> the temperature of the atmosphere is a part of the global <mask>
temperature
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> <mask> released during the use of fossil fuels increases the temperature of the atmosphere
gases
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> gases <mask> during the use of fossil fuels increases the temperature of the atmosphere
released
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> gases released during the <mask> of fossil fuels increases the temperature of the atmosphere
use
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> gases released during the use of <mask> fuels increases the temperature of the atmosphere
fossil
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> gases released during the use of fossil <mask> increases the temperature of the atmosphere
fuels
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> gases released during the use of fossil fuels <mask> the temperature of the atmosphere
increases
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> gases released during the use of fossil fuels increases the <mask> of the atmosphere
temperature
gases released during the use of fossil fuels cause an increase in global temperature & the temperature of the atmosphere is a part of the global temperature -> gases released during the use of fossil fuels increases the temperature of the <mask>
atmosphere
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> <mask> released during the use of fossil fuels add heat to the atmosphere
gases
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> gases <mask> during the use of fossil fuels add heat to the atmosphere
released
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> gases released during the <mask> of fossil fuels add heat to the atmosphere
use
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> gases released during the use of <mask> fuels add heat to the atmosphere
fossil
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> gases released during the use of fossil <mask> add heat to the atmosphere
fuels
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> gases released during the use of fossil fuels <mask> heat to the atmosphere
add
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> gases released during the use of fossil fuels add <mask> to the atmosphere
heat
gases released during the use of fossil fuels increases the temperature of the atmosphere & if something increases temperature then that something adds heat -> gases released during the use of fossil fuels add heat to the <mask>
atmosphere
coal is used for generating heat by burning1 & burning is a kind of action -> if something <mask> by burning something else then burning that something else is required for that something to occur
occurs
coal is used for generating heat by burning1 & burning is a kind of action -> if something occurs by <mask> something else then burning that something else is required for that something to occur
burning
coal is used for generating heat by burning1 & burning is a kind of action -> if something occurs by burning something else then <mask> that something else is required for that something to occur
burning
coal is used for generating heat by burning1 & burning is a kind of action -> if something occurs by burning something else then burning that something else is <mask> for that something to occur
required
coal is used for generating heat by burning1 & burning is a kind of action -> if something occurs by burning something else then burning that something else is required for that something to <mask>
occur
if something occurs by burning something else then burning that something else is required for that something to occur & coal is used for generating heat by burning -> <mask> coal for generating heat requires burning coal
using
if something occurs by burning something else then burning that something else is required for that something to occur & coal is used for generating heat by burning -> using <mask> for generating heat requires burning coal
coal
if something occurs by burning something else then burning that something else is required for that something to occur & coal is used for generating heat by burning -> using coal for <mask> heat requires burning coal
generating
if something occurs by burning something else then burning that something else is required for that something to occur & coal is used for generating heat by burning -> using coal for generating <mask> requires burning coal
heat
if something occurs by burning something else then burning that something else is required for that something to occur & coal is used for generating heat by burning -> using coal for generating heat <mask> burning coal
requires