Question

how earthquakes show us the inside of the earth
scienceprimer
multiple - choice question
as waves move down through the crust, what happens to their speed?
it increases
it decreases
it remains constant as long as it is moving through the crust
rewatch

Explanation:

As seismic waves move down through the Earth's crust, they encounter increasing pressure and density. These factors cause the waves to speed up.

Answer:

It increases