Pick your answer from: (i) carbon dioxide. (ii) Hydrogen and oxygen. (iii) organic molecules. (iv) deoxyribonucleic acid. (v) carbohydrates. (vi) Converted sugar. (vii) genetic material. (viii) solid, liquid, gas.

Fact 1: Aplants require water for survival. Fact 2: Water is a compound of hydrogen and oxygen. Given the two facts above, for survival, plants require a compound made of what?
Answer:
(ii)