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Scientists classify rocks into three different types. What is the main basis for the classification system they chose?

A. color of the rock
B. shape of the rock
C. how the rock formed
D. who discovered the rock



Answer :

GinnyAnswer

Final answer:

Geologists classify rocks into three main types based on how they were formed, including igneous, sedimentary, and metamorphic rocks, in the rock cycle.


Explanation:

Geologists classify rocks into three main types based on how they were formed:

  1. Igneous rocks form from magma cooling below the surface or lava cooling at the surface.
  2. Sedimentary rocks form when sediments are compacted and cemented together.
  3. Metamorphic rocks form when existing rocks are subjected to high heat and pressure.

The classification system chosen by scientists is primarily based on how the rock formed, representing the rock cycle and the transformations from one type of rock to another.


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