Question

what is a rock? Please tell me what ​

Answer 1

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Answer:  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.

Explanation:  Rocks are made out of minerals and have many different properties, or characteristics. Streak is the color of a rock after it is ground into a powder, and luster tells how shiny a rock is. Other properties include hardness, texture, shape, and size.

 

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Answer 2

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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 .
• sedimentary rocks.