Answer: 
Explanation:
Given
Mass of water is 
mass of ice is 
Latent heat of fusion 
The heat capacity of water is 
Suppose water is at
and it reaches to
to melt the ice
the heat released by water must be equivalent to heat absorbed by the ice

Primary Waves
Secondary go only through air, but not water.
They share covalent bonds
Yes D is definitely the answer
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Force of the kick or the balls velocity