<h2>Answer:</h2>
Option B is correct.
B. In an exothermic reaction, excess energy is released as heat.
<h2>Explanation:</h2>
An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy. Exothermic Reaction means "exo" meaning releases and "thermic" means heat.
The answers, in order, are Commercial Fisherman, A technique for hunting, and if the sun is part of it, than it is false, if not, it is true... (I would go with True myself though)
I hope this helps!
1. They convert nitrate to gaseous nitrogen
2. Rachel Carlson
Hope these are right :)
They are called reactants