4. Give reasons.
(i) We cannot go to the centre of the earth.
(ii) Sedimentary rocks are formed from sediments.
(iii) Limestone is changed into marble.
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Hey,
(i) since the temperature and pressure increase enormously as we go deeper and deeper inside the earth,we cannot go to the centre of the earth.
(ii)sedimentary rocks are formed when sediment is deposited out of air,ice,wind,gravity or water flows carrying the particles in suspension.this sediment is often formed when weathering and erosion break down a rock into loose material in a source area.
(iii)Because of extreme compression and hardening of the particles of sediment which are deposited by wind,water etc.
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saranghae
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