Question
Which one among the following is a primary rock?
Answer: Option D
Answer: (d)Primary rocks are supposed to have been first formed. These rocks being crystalline and containing no organic remains, such as as granite, gneiss, igneous rocks etc. Igneous rocks are formed from magma and begin the rock cycle.
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Answer: (d)Primary rocks are supposed to have been first formed. These rocks being crystalline and containing no organic remains, such as as granite, gneiss, igneous rocks etc. Igneous rocks are formed from magma and begin the rock cycle.
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