D- seismic waves
Geologists use an indirect method to study Earth's interior. Earthquakes produce seismic waves. Geologists record the seismic waves and study how they travel through Earth.
Earthquakes produce seismic waves that geologists use to study Earth’s interior. Hence, option D is correct.
An earthquake is an intense shaking of the Earth's surface. The shaking is caused by movements in Earth's outermost layer.
Geologists use an indirect method to study Earth's interior. Earthquakes produce seismic waves. Geologists record the seismic waves and study how they travel through Earth.
Hence, option D is correct.
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