Answer:
They can make oxygen and they breathe in carbon so it helps reduce carbon but at the rate we make carbon it is too fast for the plants
Explanation:
(1) A. (2) D. (3) B. (4) A. (5) B. (6) C. (7) B. (8) B. (9) B. (10) A.
Cross contamination means the transfer of pathogens from surface to another