How did glacial ice impact the north american landscape?

check all that apply.

a. it pushed up the appalachian mountains.
b. it formed long island.
c. it formed the great lakes.
d. it carved out the death valley basin.

Yo! a girl out ! i will give brainliest! hu one of the main reasons societies settled along rivers in the neolithic era was because a) the village elders demanded it. b) the land there was more valuable. c) it was more safe and secure there. d) it provided irrigation for farming.