Question

s
Answer in
sentence.
what is rock​

Answer 1

Answer:

A rock is a solid mass of geological materials. Geological materials include individual mineral crystals, inorganic non-mineral solids like glass, pieces broken from other rocks, and even fossils. ... A rock can be composed of only one type of geological material or mineral, but many are composed of several types.

Answer 2

Answer:

rock means a substance which is hard

Explanation:

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