What does the term endothermic refer to?

Explanation:

The definition of endothermic is a chemical reaction that is accompanied by the absorption of heat, or an organism that generates heat to maintain its temperature. A chemical reaction that works only if heat is absorbed is an example of a reaction that would be described as endothermic.

The word endothermic describes a process or reaction in which the system absorbs energy from its surroundings in the form of heat.

Explanation:

Opposed to exothermic (the process in which a chemical change that is accompanied by a liberation of heat occurs), an endothermic process absorbs energy from its surroundings in the form of heat.

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poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.