how is atmosphere essential for human life?
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Oxygen to breathe. Carbon dioxide for plants which support the food chain.Temperature. The “greenhouse effect,” without which the Earth would be freezing.Water. Water is of course vital for human (and all) life; the water cycle means that there is fresh water to drink. Needs an atmosphere for water to be liquid.UV. The ozone layer absorbs much of the harmful UV.Cosmic rays. The atmosphere also absorbs most of the cosmic rays.Meteoroids. All except the biggest space debris “burns up” when it enters the atmosphere.
I’m sure there are others - for example the atmosphere redistributes heat around the Earth’s surface…
I’m sure there are others - for example the atmosphere redistributes heat around the Earth’s surface…
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Atmosphere is very important for sustaining life: It contains various gases like O2, CO2, N2 which are required for various life processes by plants and animals. (ii) gas is used by plants to prepare food by the process called photosynthesis (iii) Oxygen is required for burning, combustion and respiration.
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