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प्रश्न
Fill in the blanks
Plants and animals maintain the balance of carbon ___________and _________ in the air.
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उत्तर
Plants and animals maintain the balance of carbon dioxide and oxygen in the air.
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संबंधित प्रश्न
What is nitrogen-fixation?
State the full form of LPG and CNG? How are the two different in their composition?
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
Mention one necessary condition for the combustion to take place.
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
Why do traffic assistants wear a mask on duty?
How will you show that air is dissolved in water?
Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
| 3. | Rainy season | c. | Carbon dioxide |
| 4. | Windy places | d. | water vapour |
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
