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प्रश्न
Fill in the blank
Aquatic plants and animals use _________ in water.
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उत्तर
Aquatic plants and animals use dissolved oxygen in the water.
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संबंधित प्रश्न
Fill in the blanks :
_______ and ______ are the most common air pollutants.
Name the main components of air.
Describe a simple experiment to show that l/5th of air is oxygen.
Briefly state the importance of Water vapour.
Fill in the blanks
Plants and animals maintain the balance of carbon ___________and _________ in the air.
Give word equation for the following conversion:
Nitric acid to soluble nitrates in the soil
Air is a mixture of many _______.
All living things use oxygen for breathing.
The solid form of CO2 is called dry ice which undergoes condensation.
Make sentences using the given set of words.
99%, oxygen, nitrogen, air, together
