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प्रश्न
State its role in warming the earth’s environment and in excess resulting in global warming.
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उत्तर
Green house effect— It consist of infrared, visible rays & ultra violet rays, which heat up the earth.
Carbon dioxide in the atmosphere allows the reflected ultraviolet rays to pass through, but prevents the infrared radiations from being radiated out of the earth’s surface. Hence, it results in warming of the earth’s environment.
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संबंधित प्रश्न
Give reasons to support the fact that air is a mixture.
Write down the composition of air.
What are the effects of air pollution on human beings?
Describe the causes and effects of air pollution.
State the utility of –
(a) Water vapour
(b) Rare or inert gases present in the air.
Tick the object which gives out water vapour.
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Who am I?
I am a mixture of gases.
Analogy
78% of air: Does not support combustion:: _____: Supports combustion
CO2 turns calcium hydroxide solution to a milky white solution.
During summer, if you go near the lake, you feel relief from the heat, why?
