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What is rock?

  1. The molten magma
  2. Any natural mass of mineral matter that makes up the earth’s crust
  3. A natural object having spherical shape
  4. None of the above

Answer: Any natural mass of mineral matter that makes up the earth’s crust

Long Answer:

Rocks are natural mass of minerals matter that makes up the earth's crust. There are three types of rocks.

  1. Igneous rocks
  2. Sedimentary rocks
  3. Metamorphic rocks

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