Erosion needs Earths rock
Erosion is wearing down and carrying away rocks by wind and moving water, happens faster with steep hillsides and heavy rain
Answer:
every earthquake is recorded on numerous seismographs located in different directions. Knowing this helps them calculate the distance from the epicenter to each seismographs. To determine the direction each wave traveled, scientist draw circles around the seismographs locations
Black slaves who wgere imported from africa
Answer:
Minerals precipitated from solution as water evaporates and materials formed through biological activity such as making shells or other hard parts
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