What is a disadvantage of using solar energy?

associated with "greenhouse gases " ..There are some toxic materials used during the process of solar systems which can indirectly affect the environment

idk

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.