Define the term valence electrons ​

Valence electrons are the number of electrons in an outer shell of an atom that can participate in forming chemical bonds with other atoms.

Medical Definition of valence electron : a single electron or one of two or more electrons in the outer shell of an atom that is responsible for the chemical properties of the atom

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they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

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