What one word completes the If a plant is losing water faster than it can be replaced by its roots, its stomata will
sentence?

it causes the cells to become flaccid and the stomata openings to close

Explanation:

the stomata closes to reduce water loss

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.

it means there are 3 atoms of oxygen