Question

Question 3 of 35

Ice ages affected human migration to North America by:
A. exposing land bridges people and animals could walk across.
B. making hunting and gathering more difficult.
C. forcing communities to move constantly to get enough food.
O D. covering more land in water and making it harder to travel by foot.

Answer 1

Step-by-step explanation:

covering more land in water and making it harder to to travel by foot.