How did scientists initially deduce part of the Earth's core is molten?
A) Because certain vibrations do not pass through it.
B) Because it is the source of molten material for active volcanoes.
C) Because the Earth has a magnetic field that requires this.

Question

Quizplus · Accepted Answer

Seismic waves, specifically S-waves, do not pass through the Earth's outer core, indicating it is liquid.

How Did Scientists Initially Deduce Part of the Earth's Core