Give reasons for the following:
No fossil is found in metamorphic rock.
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Metamorphic rocks are formed due to change in texture and mineral composition of the pre-existing rocks. During this process of change, the fossils of original sedimentary rocks are destroyed and therefore no fossil is found in metamorphic rocks.
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Rocks are of great economic significance.
Lithosphere is called rocksphere
Draw a diagram of a volcano and igneous rocks.
Draw a neat diagram to show the rock cycle.