An exothermic reaction<span> is a chemical </span>reaction<span> that releases energy by light or heat. It is the opposite of an </span>endothermic reaction<span>. Expressed in a chemical equation: reactants → products + energy.</span>
Explanation:
Food gives us energy and builds our body. If we do not eat regularly, we will become weak.
help with what? there is nothing to answer
Answer:
B. The animals at each level use energy, so only a small amount of their energy is available to the next level.
Explanation:
