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Question
Which rocks are called the primary rocks?
Options
Igneous rocks
Sedimentary rocks
Metamorphic rocks
None of these
MCQ
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Solution
Igneous rocks
Explanation:
Igneous rocks are called the primary rocks because they are the first rocks formed from the cooling and solidification of molten magma when the earth was formed. They are the original rocks from which other types of rocks evolve.
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