An endothermic animal is warm blooded. This means it can do what

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Explanation:

Endothermic animals are those that must generate their own heat to maintain an optimal body temperature. In ordinary language, these animals are commonly referred to as "warm-blooded." The term endotherm comes from the Greek endon, meaning within, and thermos, which means heat

a electronegativity decreases beacuse the size of nucleus is bigger.