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Piyush365
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Asked: 2026-10-15T07:03:01+00:00 In:

Explain how the Earth’s atmosphere helps in maintaining a suitable temperature for life to survive on the Earth.

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The atmosphere shields Earth by filtering harsh ultraviolet rays and retains re-radiated terrestrial infrared heat via greenhouse gases like carbon dioxide and water vapor, preventing extreme daily temperature swings.

Class 9 Science Exploration New Book All Chapter Solution

Revise, Reflect, Refine Chapter 13 Question Answer

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    1. The atmosphere acts as a protective blanket by regulating thermal energy exchange. During the day, clouds and atmospheric gases absorb and reflect a portion of solar radiation, shielding the surface from excessive heating. At night, greenhouse gases like carbon dioxide, methane and water vapor trap the outgoing infrared radiation re-emitted by the Earth, preventing extreme freezing and maintaining a habitable climate.

       

      For more NCERT Solutions of Class 9 Science Exploration Chapter 13 Earth as a System: Energy, Matter and Life Question Answer (2026-27)

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/exploration-chapter-13/

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