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Consider the following geological phenomena

Consider the following geological phenomena:
1. Development of a fault
2. Movement along a fault
3. Impact produced by a volcanic eruption
4. Folding of rocks
Which of the above cause earthquakes?

(a)

1, 2 and 3

(b)

2 and 4

(c)

1, 3 and 4

(d)

1, 2, 3 and 4

Answer:

(d)

Moderate

Explanation

Earthquakes are caused by development, movement along faults, volcanic eruptions, and folding of rocks. Hence, (D) is correct.