Question

1. Most information about the Earth's internal structure is obtained from-
(a) rocks
(b) seismic waves
(c) seafloor excavations
(d)' volcanic eruptions
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Answer 1

Answer:

hey

Explanation:

seismic waves

Answer 2

my answer is option -a seismic waves.

seismic waves from large earthquakes pass throughout the earth. These waves contain vital information about the internal structure of earth.