Question

which compound features two hydrogen atoms and one oxygen atom, and is necessary for life? water ammonia amino acid phosphate

Explanation:

Water (\(H_2O\)) has two hydrogen atoms and one oxygen atom. It is essential for life as it is involved in many biological processes like metabolism, transport of nutrients, and as a solvent for biochemical reactions. Ammonia (\(NH_3\)) has one nitrogen and three hydrogen atoms. Amino acids have carbon, hydrogen, oxygen, nitrogen (and sometimes sulfur) in their structure. Phosphate (\(PO_4^{3 - }\)) has phosphorus and oxygen atoms.

Answer:

Water