Which among the following are direct sources of information about the interior of the Earth?
A. Deep ocean drilling activities
B. Volcanic activities
C. Mining activities
D. Seismic activities
1
A and C
2
B and D
3
A, B and C
4
B, C and D
Which among the following are direct sources of information about the interior of the Earth?
A. Deep ocean drilling activities
B. Volcanic activities
C. Mining activities
D. Seismic activities