Teaching Uttarakhand TET (UTET) Paper 1 & Paper 2 Mock Test 2024 Environmental Studies Environment Pollution
Which of the following statements is true about the Air Quality Index?
1
It indicates the colour of the air.
2
It predicts ozone levels in your area.
3
It determines the intensity of sound and sound pollution.
4
It estimates air pollution mainly sulphur content in the air.