Question

Geologists apply various methods to study the layers of the Earth. Which of the following is a method used to study the Earth’s layers
a:Scientists use seismic waves to map the atmospheric conditions above Earth's crust.


b:Scientists map seismic waves to determine the atomic structure of materials that lie beneath Earth's surface.


c:Scientists measure vibrations of Earth's surface using a compass (an instrument that is sensitive to Earth's magnetic field).


d:Scientists measure the time it takes for seismic waves to reach a seismograph (an instrument that measures seismic waves).

Answer 1

I think it’s d because they do use seismographs

Answer 2

Answer:

Bless yu

Explanation:

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