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प्रश्न
Fill in the blanks :
_______ and ______ are the most common air pollutants.
उत्तर
NO2 and CO are the most common air pollutants.
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संबंधित प्रश्न
Define the term smog.
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphurUioxide gas, precipitation, helium
_______ gas is used for filling weather observation balloons.
Statement given below is incorrect. Write the correct statement :
Symbiotic bacteria are present in nodules of cereal plants such as wheat.
Briefly state the importance of Carbon dioxide.
Fill in the blank
Aquatic plants and animals use _________ in water.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
The mesosphere in the atmosphere, contains most of the air, fit for respiration
Explain carbon dioxide and its uses.
“Air is not an elementary substance, but a composition”. Why?
______ gas is essential for the proper growth of all plants.
The solid form of CO2 is called dry ice which undergoes condensation.
