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प्रश्न
Name the following:
A process which removes carbon dioxide from the air.
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उत्तर
Photosynthesis
संबंधित प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
The trapping of solar heat energy in the earth’s atmosphere is called greenhouse effect.
Briefly state the importance of Water vapour.
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
Complete the statement given below by filling in the blank with the correct word from the words given below
The ______ is a layer which extends up to about 10-50 km. above the earth.
How will you prove that soil contains air in it?
Whales come up to the water surface to breathe in oxygen.
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
“Air is not an elementary substance, but a composition”. Why?
______ is necessary for all acids.
