Answer:
d. all of the above
Explanation:
Geographic means anything to do with the terrain or land. Isolation can happen for any amount of time, so you never know what the new population might be.
The plants might die out because there is no one to pollinate them
Answer:
Around 100,000 years ago, the Earth was going through a period of Ice Age. While the Glacial Period was not in full effect, it is reasonably concluded by researching the ending of the Ice Age and other Glacial Periods that the Earth was considerably colder than it is right now.
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0B)21% that’s your answer