Q41 / 180 · NEET 2018 · Botany
Which of the following is a secondary pollutant?
- A
- B
- C
- Correct answerD
Solution
is a secondary pollutant. It is called a "secondary" pollutant because it is produced when two primary pollutants react in sunlight and stagnant air. These two primary pollutants are nitrogen oxides (NOx) and volatile organic compounds (VOCs)
Hence, the correct answer is option: 'D'.