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प्रश्न
Pollen, Bacteria, Fungal spores are also pollutants.
उत्तर
True
All are pollutants because they are airborne substances that cause an allergic reaction
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संबंधित प्रश्न
Explain the differences between pure air and polluted air.
Define the following term: Pollutant
State: natural sources of air pollution
pH of acid rain is sometimes as low as 2. Explain.
Why is cigarette-smoking harmful?
Air is composed of gases, water vapours and:
What major harm is done to the human beings by air pollution?
How are the animals affected by air pollution?
You can help me to decrease pollution by riding on me.
Math the following.
| 1. | Nitrogen | Air pollution |
| 2. | Balloon | Smoke and fog |
| 3. | Smog | 78% |
| 4. | Lung cancer | Air |
Releasing substances like chemical compounds into the atmosphere is known as ______.
The Hydrochlorofluorocarbons (HCFCs) are the compounds which have the following molecules:
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PAN
This air pollutant ______ also called a laughing gas is lethal to human beings at exposure to 100 ppm or more.
The level of air pollution is higher at a busy traffic intersection. Why?
When air is contaminated by ______ substances which have a ______ effect on both the ______ and ______ it is referred to as______.
(air pollution, harmful, living, unwanted, non-living, pollutants)
Find out the wrong statement and write it in its correct form.
We can survive for sometime without air but we cannot survive even for a few minutes without food.
What do CFCs stand for? Name some devices where CFCs are used. Why CFCs are considered as pollutants?
Name any two small scale industries that can be the source of particulate air pollution.
