6 is B
7 is D
8 is D
9 is B
10 is C
Answer:
The Colorado River began carving through the layers of volcanic rock and sediment, forming the Grand Canyon.
Explanation:
Commies, hippies and those mostly opposed to the war due to how long it took, lasting well past a whole decade.
Answer: I'm pretty sure it's A, but don't quote me on that, sorry.
Explanation:
Answer:
Naturalistic observations
Explanation: I'm sorry if the answer is wrong
