Answer:
The Bering Land Bridge formed during the glacial periods of the last 2.5 million years. Every time an ice age began, a large proportion of the world's water got locked up in massive continental ice sheet
Explanation:
Answer:
What did you learn about?
Answer:
A
Explanation:
Introducing invaseive(nonnative) species to a city can be the downfall of that city because with no native hunters in the area the species can reak havic and soon the city will be overun with the species. This disrupts the natural ecosystem and soon the ecosystem will be failing. (sorry if its incorrect this is what makes senece to me)