Question

which statements describe the importance of the nitrogen cycle to living things? select two options. it provides a source of water. it helps cells make proteins. it provides a form of usable nitrogen. it removes carbon dioxide from the atmosphere. it destroys harmful bacteria. it helps cells make glucose.

Explanation:

Proteins contain nitrogen, and the nitrogen - cycle makes usable nitrogen available for cells to synthesize proteins. Also, atmospheric nitrogen is not directly usable by most organisms, and the nitrogen - cycle converts it into a usable form like ammonia, nitrites, and nitrates.

Answer:

It helps cells make proteins.
It provides a form of usable nitrogen.