Question

which one of the following is a direct source of information about the interior of the earth
a) earthquake waves
b) volcanoes
C) gravitational force
d) Earth magnetism​

Answer 1

Answer:

C) gravitational force

Explanation:

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Answer 2

Answer: Rocks obtained from mining areas and materials obtained from volcanic eruption are the direct sources of information about the interior of the earth. (iii) Why do earthquake waves develop shadow zone?