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
Answer:
Their composition
Explanation:
Colluvium deposits will contain cobble sized deposits ranging from sand to rocks of different types while the alluvium deposits are uniform deposits of cobble sized sand