Question

the crust is the thinnest layer on Earth, which allowed it to have a more constant theory of its composition. how do you think scientists have gathered all of the evidence on the crust?

Answer 1

Step-by-step explanation:

Geologists record the seismic waves and study how they travel through Earth. The speed of these seismic waves and the paths they take reveal how the planet is put together. Using data from seismic waves, geologists have learned that Earth's interior is made up of several layers.