Q4 of 18 Page 10

Give reasons

Limestone is changed into marble.

Marble is a metamorphic rock that is formed from limestone, which is a sedimentary rock. Under extreme heat and pressure limestone gets converted into marble.


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4

Give reasons

We cannot go to the centre of the earth.

4

Give reasons

Sedimentary rocks are formed from sediments.

 5

For fun.

What are the minerals most commonly used in the following objects?


 5

For fun.

Identify some more objects made up of different minerals.