PLEASE HELP! - Describe why carbon, hydrogen, oxygen, nitrogen, & other elements can combine. Describe the results of these combinations.

2hydogen + 1oxygen = H2O = water

Explanation:

The answer lies with carbon's unique properties. Carbon has an exceptional ability to bind with a wide variety of other elements. Carbon atoms can form multiple stable bonds with other small atoms, including hydrogen, oxygen, and nitrogen. Carbon atoms can also form stable bonds with other carbon atoms.

its 42

i say its d?

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.