what are technologies and instruments used by the scientists to get information about the earth's interior?
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With the progress in scientific technology various methods and instruments can be used to study the Earth's interior. Some of these instruments are: Seismic waves; these are the waves of energy that travel through Earth. The seismic activity tells us about the type and size of earthquake in a specific area over the period of time. In order to understand this activity seismic waves are a source of help. Seismic waves consists of s waves and p waves and both are used to understand the Earth's interior. p-waves record the pressure as they can pass through liquid and gas. s-waves travel through solid only.
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With the progress in scientific technology various methods and instruments can be used to study the Earth's interior. Some of these instruments are: Seismic waves; these are the waves of energy that travel through Earth. The seismic activity tells us about the type and size of earthquake in a specific area over the period of time. In order to understand this activity seismic waves are a source of help. Seismic waves consists of s waves and p waves and both are used to understand the Earth's interior. p-waves record the pressure as they can pass through liquid and gas. s-waves travel through solid only.
Hope it helps
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