Question

4) Soft rocks form folds while hard rocks for
faults
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Answer 1

Answer:

When tectonic plates exert force and pressure upon soft rocks, instead of fracture, they are folded. ... Once the stress and pressure exerted over them increases more than they can tolerate, the fracture occurs and faults are formed.

Explanation:

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Answer 2

Answer:

a) Soft Rock, deep within the crust, are flexible and under high pressure.

b) Hence, they fold easily due to compressional forces.

c) Hard rocks, near the earth surface, are rigid and not under high pressure.

d) Hence, they form fault easily due to tensional forces.