Can someone help me again ik it easy but i dont understand

Question 1 C. Density

Question 2 D. Outer Core

Question 3 D. Inner Core

Explanation:

Hope this helps :)

1=C, 2=D, and 3=D

Explanation:

1. the density is hot tight or dense it is. mass matter and volume all depends on how much is in the object.

2. it literally says the outer core XD

3. there is no part in the earth except for the inner core that is shaped like a ball

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