What is one example of reusing water?

watering the yard in the morning. watering flowers with dirty dishwater. turning off water in the sink while brushing teeth.

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Explanation:

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

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