Which have scientists learned from studying seismic waves that travel through earth’s interior?

A.
The outer core of earth is liquid.

B.
Earth's mantle is liquid.

C.
Seismic waves are not affected by boundaries between earth's layers.

D.
Seismic waves cannot move through solid objects.

Question

Which have scientists learned from studying seismic waves that travel through earth’s interior?	
 
 A.
The outer core of earth is liquid.
 
 B.
Earth's mantle is liquid.
 
 C.
Seismic waves are not affected by boundaries between earth's layers.
 
 D.
Seismic waves cannot move through solid objects.

anonymous · Answer

anyone

daniellelovee · Answer

@Agl202 in here lol

daniellelovee · Answer

Its C

eclipsedstar · Answer

@Daniellelovee please no direct answers, it is against CoC.

daniellelovee · Answer

sorry @EclipsedStar is that me and someone else explained it to him/her in his/her post on the math section but he/she poofed and came here :P :)

btw you are great in history

eclipsedstar · Answer

Okay @Daniellelovee but please do not give any more direct answers. This is not the first time you have been warned...thanks :)

anonymous · Answer

@dlcpe2000   Please close your question..Thank you

anonymous · Answer

its b you are all wrong!