Answer:
A
1. density and composition
2. seismic waves
3.mantle
B.
1. lithosphere
2. asthenosphere
3. mantle
4. outer core
5. inner core
C.
box a I think
hope it helpful to you
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hydrocarbons are compounds which contains Hydrogen and carbon
B and C
Explanation:
Most animals that live underwater have have gills and tails and vise versa hope this helps!
