context1: Her pure, loving sacrifice provides her son with an ancient magical protection against Voldemort's lethal spells. Dumbledore also explains that the Philosopher's Stone has been destroyed to prevent Voldemort from ever using it. He then tells Harry that only those who wanted to <strong>find</strong> the Stone, but not use it, would be able to retrieve it from the mirror, which is why Harry could <strong>acquire</strong> it.
context2: Fin and flipper locomotion occurs mostly in aquatic locomotion, and rarely in terrestrial locomotion. From the three common states of matter - gas, liquid and solid, these appendages are adapted for liquids, mostly Fresh or Saltwater and used in locomotion, steering and balancing of the body. Locomotion is important in order to escape predators, <strong>acquire</strong> food, <strong>find</strong> mates and bury for shelter, nest or food.