Answer:
80 angle of incidence=angle of reflection
Explanation:
B acid rain in an area kills fish in a lake
Answer:
D. Humidity refers to the amount of water vapor in the air
<span>Free Energy is a thermodynamic quantity given by the subtraction between the internal energy of a system and the product of its absolute temperature and entropy.
</span><span> In physics, the ability to do work.
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I may not be completely sure but compare those 2 things together and you should find your answer.