Rocks are divided into ______ categories.
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1
Answer:
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, sedimentary rocks and metamorphic rocks.
Answered by
1
Answer:
three
Explanation:
There are three kinds of rock: igneous, sedimentary, and metamorphic .
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