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प्रश्न
Take a ball and throw it up in the air observe the increasing speed of the ball when it comes down.
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उत्तर
Do it yourself.
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संबंधित प्रश्न
When water is heated, we see bubbles rising up. Why?
Explain the importance of carbon dioxide for (a) photosynthesis (b) warming the earth’s environment. State what would happen if excess carbon dioxide as a pollutant is released into the atmosphere.
Choose the correct answer.
This per cent of the atmosphere is composed of nitrogen.
Fill in the blank:
The ozone layer protects us from the _____________ of the sun.
How is the atmosphere kept in place around the earth?
Write True or False.
CFCs and BFCs protect the ozone layer.
Choose the correct option.
The ozone layer is found between _______ km above the earth’s surface.
State whether the following sentence is true (T) or false (F).
The atmosphere is composed mainly of nitrogen and oxygen.
Write a note about the following.
Condensation
______ reflects radio waves.
The 0° longitude is called ________ meridian.
What are the different layers of the atmosphere?
Atmosphere is divided into two main vertical regions the upper portion is Heterospshere and the lower is ______.
Give Reason:
Exosphere is characterised by aurora Australis and aurora borealis.
The uppermost layer of the atmosphere is ______.
Why is Troposphere called as weather making layer?
The atmosphere is held in place by the earth’s ______.
Highly reactive gas was later names ‘oxygen’ by ______.
Why do aircraft usually fly above the troposphere layer?
The two forms of oxygen found in the atmosphere are
