Explore Categories
Agriculture
Art & Culture
Economy
Environment
Geography
Governance
International Relations
Polity
Currently Viewing:
✕ Exit
Pollution
Environment
Pollution
Q1.
In the context of WHO Air Quality Guidelines, consider the following statements:1. The 24-hour mean of PM2.5 should not exceed 15 μg/m3 and annual mean should not exceed 5 μg/m3.2. In a year, the highest levels of ozone pollution occur during t...
Environment
Pollution
Q2.
Consider the following:1. Carbon monoxide2. Nitrogen oxide3. Ozone4. Sulphur dioxideExcess of which of the above in the environment is/are cause(s) of acid rain?