EASY
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Which of the following is a greenhouse gas?

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Important Questions on Natural Resources

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Which factor is responsible for green house effect?
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Write names of any two greenhouse gases.

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Which is responsible for increases in global temperature?
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Which gas is not responsible for global warming
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Which of the following is responsible for green house effect?
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Which among the following gases absorb long wavelength infrared radiation emitted from the earth’s surface?
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Which of the following greenhouse gases has the maximum contribution towards global warming?
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Which one of the following is a Greenhouse gas?
MEDIUM
Explain why, when an empty glass bottle is inserted into a bucket of water vertically, water does not enter the bottle.
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Why do people love to fly kites near the seashore?
HARD
How will you show that an empty glass bottle is filled with air?
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Humidity is the amount of water vapour in the air.
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Rohit took a deep breath and blew into a flat paper bag to make it puff up. What does this show?

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Why does a lump of cotton wool shrink in water?
MEDIUM
State any five uses of air?
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Which would be heavier, a tyre with air or a tyre without air? Why?

MEDIUM
Which is heavier, an empty or deflated balloon or a balloon filled with air?
MEDIUM
What is the role of the atmosphere in climate control?
MEDIUM
If there were no atmosphere around the earth, the temperature of the earth will