Answer:
About 10 i'm pretty sure there is more but brutality 10
Explanation:
The answer is D hope this helps!
Answer- When a plate crashes into one another, the soil and dust can shoot up into the sky.
Answer:
B I think
Explanation: Crossed by few passes, the Appalachians were a barrier to early westward expansion and played an important role in U.S. history; major east-west routes like the Cumberland Gap and Mohawk Trail followed river valleys or mountain notches.