Answer:
Plants absorb carbon dioxide, water and sunlight to make their own food, grow and release oxygen through photosynthesis. They're a huge part in keeping our air clean.
Explanation:
Hope this helps.
12-A
15-B
11-C
6-D
1-E
10-F
8-G
9-H
5-I
3-J
7-K
14-L
4-M
13-N
2-O
The answer you are looking for is C. Nitrogen. Commonly found as Nitrite
(N3) or Nitrate (N2) nitrogen is a key element required by all life. Nitrogen is most often released back into the atmosphere by micro-organisms during the decomposition of organic matter, and into the ground through decomposition and defecation (Pooping).