Question

2. What is a rock?
please answer​

Answer 1

A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed. Rocks are usually grouped into three main groups: igneous rocks, metamorphic rocks and sedimentary rocks.

Answer 2

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.

Explanation:

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