I think it's B, because recycling reduces mining and drilling, both of which cause air and water pollution. Hope this made sense lol it's the closest one to the the true answer
CORRECT
Answer:
It consists of just a few kinds of atoms: carbon, hydrogen, oxygen, nitrogen, and phosphorus. Combinations of these atoms form the sugar-phosphate backbone of the DNA -- the sides of the ladder, in other words. Other combinations of the atoms form the four bases: thymine (T), adenine (A), cytosine (C), and guanine (G).
Explanation: