By observing how seismic waves are absorbed and refracted, scientist have been able to work out where the properties of the earth change dramatically. our understanding of the internal structures of the earth and the size of its core is based on these observations.
basically:
size of core
structure of the earth I.e. the layers of the earth
and I think the last one is how the internal structure is changing? not sure on the last one but its still a solid guess.
Answer:
Explanation:
did u just give me homework
Answer:
concentration camp? are there any options?
Explanation:
The answer is A. Japan wanted to knock out the U.S. fleet before it had a chance to prepare for war. The U.S. fleet was also cutting off their precious oil supply.
I think decreased pre4cipitation in the area
