Question

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,​

Answer 1

Answer:

(1)

because in the centre of

is very very

high temperature

Answer 2

Answer:

I) In the centre of Earth we can not go because there the hotness level is too high 3000°c to 5000° c

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 lose meterial in source area.

iii) 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 .

Explanation:

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