when two air masses coming together the boundary between the two is called a weather front
I’d say C.
A doesn’t make sense, they definitely could’ve domesticated animals in that time.
B doesn’t make sense either, they could’ve easily seen smoke signals, the sky wasn’t filled with them often.
C is just a weird answer. I doubt they were “passive observers” but probably the best answer to the question.
D doesn’t add up because they definitely needed agriculture/food surpluses. They were always hunting, they obviously ran out of food rather quickly.
So C is the answer.
Answer:
what do you mean
Check out the summary of Section 3 1 read the text and then follow the instructions
Explanation:
Answer:
the oldest are on the bottom
Explanation:
work your way from the bottom to top
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