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PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAtmosphere:
- The envelope of air that surrounds the Earth.
- Different types of gases make up the atmosphere.
- The major gases are Nitrogen (78%) and Oxygen (21%).
- The other gases like Carbon dioxide, Hydrogen, Helium, Argon, and Ozone are present in meager amounts.
- The range of the atmosphere extends from less than 1 m below the Earth's surface to more than 10,000 km above the planet's surface.
- The atmosphere's upper layer protects the living organisms in the biosphere from the sun's ultraviolet radiation.
![shutterstock_1520499716.jpg](https://resources.cdn.yaclass.in/566d44a5-3600-423c-b8f5-6d7c2f358d5e/shutterstock_1520499716-w400.jpg)
Biosphere
Narrow coexistence of the lithosphere, the hydrosphere and the atmosphere, where life exists is known as Biosphere.
- It consists of distinct zones.
- Each zone has its own climate, plant and animal life.
- These zones are known as ecosystems.
Lithosphere | Land |
Hydrosphere | Water |
Atmosphere | Air |
Biosphere | Coexistence of above three |