Answer:
Resource conservation
Explanation:
Depresion in term of Resource conservation theory is a mental state where an individual or organism develops motivation to conserve a depleting resources while in search of a new source.
For a depressed organism to reduce energy consumption in order to save for the future, it is exhibiting resource conservation
You are correct the answer is nuclear fusion
The Aromatic hydrocarbon is the most common in nature.
Explanation:
For solid it could be melting into a liquid
for gas it could be Evaporating into a liquid