The Earth's atmosphere contains essential gases like nitrogen, oxygen, and carbon dioxide, crucial for sustaining life and regulating temperature.
The Earth's atmosphere is composed of various gases, with nitrogen (Nā) making up 78.1%, oxygen (Oā) 20.9%, and argon (Ar) 0.9%. These gases play crucial roles in sustaining life and regulating the planet's temperature. Nitrogen dilutes oxygen to prevent rapid burning and is essential for protein synthesis; oxygen supports respiration and combustion; carbon dioxide is vital for photosynthesis and acts as a heat blanket.
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