When someone is injured, responding medical personnel may use either hot packs or cold packs to treat the
injuries. These are examples of miniature chemical reactions. Using hot packs and cold packs as an example,
explain the terms endothermic reaction and exothermic reaction.
(make sure to include absorption and release of energy.)
how they relate to hot and cold packs is important to mention too. don't make it seem like it was copied and pasted please.
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