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प्रश्न
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.
पर्याय
helium
hydrogen sulphide
उत्तर
Hydrogen sulphide is an example of a pollutant present in the air.
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संबंधित प्रश्न
Define the following:
Respiration
State four steps to be taken to control air pollution.
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
What is meant by the term ‘atmosphere’? State the role played by the atmosphere for the survival of mankind.
Describe a simple experiment with the help of a diagram to show that Air has mass
Name the following.
Gases that are harmful to the ozone layer
Water does not have a ______ but has definite ______ and ______.
Fill in the blank:
A candle burns in a jar of oxygen, but gets extinguished in ______
Match the following:
| 1. | Layer of air | a. | Hand fan |
| 2. | Electrical energy | b. | 21% |
| 3. | Nitrogen | c. | Windmill |
| 4. | Oxygen | d. | Atmosphere |
| 5. | Palm Trees | e. | 78% |
Do sailors need the help of wind to sail?
