Question

question 1 points 1 which of the following elements is considered to be the backbone of life on earth? carbon carbonic acid bicarbonate ion hydrogen

Explanation:

Carbon is the key element for organic compounds which are the basis of life - forms on Earth. It can form diverse and complex molecular structures due to its ability to form four - covalent bonds. Carbonic acid, bicarbonate ion, and hydrogen do not have the same central role in the molecular architecture of life as carbon does.

Answer:

Carbon