Answer:
It is a physical change.
Explanation:
It is a physical change as the bone can be put into a cast ad can be repaired back to normal.
Unless you're able to provide a diagram representing the problem, there's not much I can do so solve this problem.
The daughter nucleus (nuclide) produced is 
When an alpha decay occurs, the daughter nucleus has its atomic number less than that of the parent nucleus by two units and its mass number less than that of the parent nucleus by four units.
If we write the nuclear equation, we will have;

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Ice melting into water is a main one... hope this helps
Answer:
no because humans turn their extra body heat into sweat instead of dissipate heat through evaporation in the air.
Explanation:
hope this helps!