Question

Give reasons for the following :-

1. Fossils are formed in sedimentary rocks
alone.

2. Exfoliation is also sometimes referred
to as ‘onion peeling’.

3. Frost action causes cracks to appear
in rocks.

4. Chemical weathering is most common
in equatorial and tropical regions.

5. Deforestation increases the rate of
erosion.

6. Contour ploughing helps conserve soil.​

Answer 1

Answer:

1. Because these rocks form at low temperature and pressure.

2.Due to the reduced pressure allowing expansion of the rock.

3. moisture soaks down into joint and clevage crevices of hard rock during the thaw season.

5.because it decrease the amount of litter cover .

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