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प्रश्न
Fill in the blank
Polluted air is harmful to ____.
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उत्तर
Polluted air is harmful to health.
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संबंधित प्रश्न
Match the following :
| Column A | Column B |
| (a) Global warming | 1. Hydrated ferric oxide |
| (b) Acid rain | 2. Manganese dioxide |
| (c) Rust | 3. Carbon dioxide |
| (d) Catalyst | 4. Methane |
| (e) Photosynthesis | 5. Nitrogen Dioxide |
What do you observe when a burning candle is covered with an inverted jar.
How is air useful to scooters and cars.?
Name two air pollutants which cause acid rain.
State four steps to be taken to control air pollution.
Tick (√) the correct alternative from the choice given for the following statement.
The gases which cause acid rain are
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Name the following.
Gases that are harmful to the ozone layer
Explain the term ‘air pollution’, with reference to air quality. State the sources of a few main pollutants.
Make sentences using the given set of words.
Air, wind, motion, called
