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प्रश्न
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Air is a ______ of some gases.
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उत्तर
Air is a mixture of some gases.
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संबंधित प्रश्न
Discuss harmful effects of greenhouse effect.
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
Define rusting?
How is air useful to agriculture?
What is air pollution?
State four steps to be taken to control air pollution.
Tick (√) the correct alternative from the choice given for the following statement.
Air pollution is due to the
Tick (√) the correct alternative from the choice given for the following statement.
Respiration
Name the following.
Gases that are harmful to the ozone layer
Wind does not help in the movement of which of the following?
