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Give examples of `(a)` igneous and `(b)` sedimentary rocks. What is the origin of `(a)` igneous rocks and `(b)` sedimentary rocks ? |
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Answer» (a) Example of igneous rock is granite. (b) Examples of sedimentary rock are chalk, sandstone, limestone. (a) Origin of igneous rocks : Solidified matter from magma on cooling forms igneous rocks. (b) Origin of sedimentary rocks : Sediments brought by rain or wind and deposited in rivers and lakes form sedimentary rocks. |
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