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प्रश्न
State three uses of water vapour in the air.
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उत्तर
- Provides moisture for plant and animal growth.
- Determines climatic conditions by providing rain, snow, mist etc.
- Prevents undue drying up of the plant and animal bodies.
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संबंधित प्रश्न
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
Write down the composition of three main gases present in air by volume.
What do you observe when Ice cold water is filled in a glass tumbler.
Give reason:
When water is heated, we see bubbles rising up.
Explain the importance of nitrogen of the air for plant growth.
State the utility of oxygen for respiration in living organisms
Why do we see the sky and air clear and clean after rainfall?
______ gas is given to the patients having breathing problems.
The air in coastal areas have more oxygen.
Explain the following observations very briefly
Breathing through mouth may harm you.
