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प्रश्न
Define the term smog.
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उत्तर
Smog : Oxides of nitrogen form a mixture of smoke and fog known as smog which affects our eyes too.
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संबंधित प्रश्न
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
Dust particles help in the ________ of water vapour in air.
Tick (√) the most appropriate answer.
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State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
Analogy
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List out the uses of nitrogen.
What is the composition of air?
Composition of the component of air ______ from place to place.
______ gas is essential for the proper growth of all plants.
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.
