Answer:
(in some cosmological theories) nonluminous material that is postulated to exist in space and that could take any of several forms including weakly interacting particles (cold dark matter) or high-energy randomly moving particles created soon after the Big Bang (hot dark matter).
Explanation:
Baesd one the description, i believe this illustrates the classical conditioning process known as: <span>spontaneous recovery
Spontaneous recovery refers to the recovery that only happened because of a delayed response after the first conditioning.
When Mariah first 'believe' that her fear of water is gone, it's only happen because there is no actual threat that she face during the swimming lesson, because it's guarded and safe.
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Japan was never colonised by Europeans
New skills.
The hippocampus is in charge of memories. And if it is damage, it is difficult for a person to form new memories, thus making it difficult to learn new skills that they did not have before the damage.
