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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
How is greenhouse effect produced?
Name two important processes supported by oxygen present in air.
State two similarities and two differences between respiration and burning.
How is air useful to water boats?
How is air useful to agriculture?
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
With whom should I pair up?
| Group A | Group B | ||
| (1) | Air | (a) | Excretion |
| (2) | Water | (b) | Scattering of light |
| (3) | Soil | (c) | Plasticity |
Air has variable composition and hence there is ______ oxygen at lower altitudes than at higher altitudes.
Complete the statement given below by filling in the blank with the correct word/s from the word/s given below
____________ is an example of a pollutant present in the air.
Which of the following statements is incorrect?
