Which actions are most likely to reduce nitrogen dioxide levels in the atmosphere? Select the two correct answers.

A. an individual reducing the number of miles he drives weekly
B. a power plan increasing its energy efficiency
C. a factory increasing its ozone output
D. a farmer reducing the use of nitrogen fertilizers
E. a park replacing nitrogen-producing trees with other plants

1 answer

A. an individual reducing the number of miles he drives weekly
D. a farmer reducing the use of nitrogen fertilizers