Question

Which is used by scientists as evidence that Earth's inner core is solid?

O
A. S waves cannot travel through the inner core, creating a shadow
zone.
O
B. Seismic waves change speed when they go from the inner core to
the outer core.
O
C. The inner core is composed of nickel, while the outer core is
composed of iron.
O
D. P waves cannot travel through the inner core, creating a shadow
zone.

Answer 1

your answer to this question is B

Step-by-step explanation:

Answer 2

Answer:C. Seismic waves change speed when they go from the inner core to the outer core.

Step-by-step explanation: