Question

give reason :-

1) Lime stone is changed into marbel?
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Answer 1

Because of extreme compression and hardening of the particles of sediment which are deposited by wind, water etc. Limestone is changed into marble. Answer: Because of extreme heat and pressure, limestone undergoes a change in its form and turns into marble.

Answer 2

Marble is a metamorphic rock formed by the alteration of limestone by heat and pressure. The calcite in the limestone changes and fossils and layering in the original limestone disappear as interlocking grains grow. If the limestone is pure, a white marble is formed