Consider the following substances:
1. Carbon dioxide
2. Photo chemical smog
3. Ground level Ozone
Which of the above is/are example/examples of Secondary Pollutants?
1
1 only
2
1 and 2 only
3
2 and 3 only
4
1 and 3 only
5
Not Attempted
Consider the following substances:
1. Carbon dioxide
2. Photo chemical smog
3. Ground level Ozone
Which of the above is/are example/examples of Secondary Pollutants?