<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.
A negative correlation is most clearly seen between different levels of female education and the total fertility rate (TFR) in a population. TFR is the number of children a woman can expect to have over her lifetime given current rates of age-specific fertility.
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Saturn and Jupiter have attracted as much similar gas as they could, to form two biggest gas giants in our solar system. But they have done things in different ways and caused differences. The first difference is the planets' densities. Saturn is significantly less dense than Jupiter
A solute is a substance that is dissolved in the solvent.
Some examples of a solute are sugar in water, carbon dioxide in water, and sodium chloride in water.