Answer:
B) irreversible process
Explanation:
The process given here is irreversible.
<span> The anwser is D. Radiation, because it can travel thru air.</span>
15. D is correct, exothermic reactions release heat
I am not sure about 16
An alloy maybe could be used as a solid but i really don't think that would be it so i would sayether from an alloy or dirt