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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.
A weather cock shows the ______ in which the air is moving at that place.
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उत्तर
A weather cock shows the direction in which the air is moving at that place.
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संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
Fill in the blank
Green plants need ________________to prepare food.
Name the following:
The component of air which does not support combustion.
What is the percentage of oxygen in air?
Mention one necessary condition for the combustion to take place.
______ gas is given to the patients having breathing problems.
Whales come up to the water surface to breathe in oxygen.
Explain carbon dioxide and its uses.
Nitrogen is about two times more soluble in water than oxygen.
Write just a few sentences for an imaginary situation if any of the following gases disappear from the atmosphere.
Oxygen
