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how do earthquakes help geologists understand Earth’s interior?

During an earthquake, geologists use a machine called a seismograph/drilling rig/magnetometer to study seismic waves.

P waves can pass through both solid and molten rock, but S waves can pass only through molten/solid/ tarry rock.

Respuesta :

During an earthquake, geologists use a machine called a SEISMOGRAPH to study seismic waves.

P waves can pass through both solid and molten rock, but S waves can pass only through SOLID rock.

During an earthquake, geologists use a machine called a seismograph to study seismic waves.

P waves can pass through both solid and molten rock, but S waves can pass only through solid rock.

A seismograph refers to the instrument that's used for the recording of the motion on the ground when there's an earthquake. It's simply used for the detection and recording of earthquakes.

A p wave is also called the compressional wave and it is a seismic body wave that shakes the ground based on the direction of the wave. While p waves can pass through both solid and molten rock, but S waves can pass only through solid rock.

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