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Define Atmosphere?
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Define Atmosphere?
Atmosphere
The atmosphere is the layer of gases that surrounds the earth. It is made up of a mixture of gases including nitrogen, oxygen, carbon dioxide, and other trace gases.
Composition of the Atmosphere
- Nitrogen - 78%
- Oxygen - 21%
- Carbon dioxide - 0.04%
- Other trace gases - 0.96%
The composition of the atmosphere is important for life on earth as it provides the necessary gases for humans, animals, and plants to survive.
Layers of the Atmosphere
- Troposphere - the lowest layer where weather occurs
- Stratosphere - contains the ozone layer which protects the earth from harmful UV rays
- Mesosphere - the middle layer where meteors burn up
- Thermosphere - the upper layer where the auroras occur
- Exosphere - the outermost layer where the atmosphere merges with outer space
The different layers of the atmosphere have varying temperatures and pressures, and are important for different atmospheric processes such as weather, climate, and the Earth's magnetic field.
Functions of the Atmosphere
- Protects the earth from harmful solar radiation and cosmic rays
- Regulates the earth's temperature through the greenhouse effect
- Provides oxygen for humans and animals to breathe
- Helps to distribute water around the earth through the water cycle
- Plays a role in weather and climate patterns
The atmosphere is a crucial component of the earth's systems and plays an important role in sustaining life on the planet.
Community Answer
Define Atmosphere?
Blanket of air surrounding the earth '
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Define Atmosphere?
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Define Atmosphere? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about Define Atmosphere? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Define Atmosphere?.
Define Atmosphere? for Class 5 2024 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about Define Atmosphere? covers all topics & solutions for Class 5 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Define Atmosphere?.
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