Author Question: What is the approximate depth of the liquid outer core, given the inferences of depth of the ... (Read 90 times)

Collmarie · **on:** Jul 16, 2018

What is the approximate depth of the liquid outer core, given the inferences of depth of the core-mantle boundary and the inner-outer core boundary?

A) 2900 km
B) 2255 km
C) 5155 km
D) 6371 km

Question 2

A student comments, The shadow zone is an area where waves cannot travel because it is a thick layer of liquid at the boundary of the mantle and the outer core. Evaluate this statement.

A) Actually, it was the boundary of the inner core that was discovered with this method.
B) It is correct that waves cannot travel in liquid.
C) P-waves refract at the shadow zone. S-waves are stopped.
D) The shadow zone refers to the whole outer core, not just the boundary.