Question

What is Atmosphere ???​

Answer 1

Blanket of gases which surrounds earth is known as atmosphere.

ADDITIONAL INFORMATION:

• 78% nitrogen and 21% oxygen. Argon, carbon dioxide, and many other gases are also present in the atmosphere.
• Atmosphere protect us by absorbing ultraviolet solar radiation.
• Human takes oxygen and releases carbon dioxide in the atmosphere.
• The process of respiration divided into four parts: external respiration, transportation of gases, internal respiration and cellular respiration.
• External respiration divided into breathing and exchange of gases.
• An adult breath approximately 16 to 20 times in a minute.
• Anaerobic respiration and aerobic respiration are the types of cellular respiration.

Answer 2

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hi pagal kkrh (⌐■-■)

An atmosphere is a layer of gas or layers of gases that envelope a planet, and is held in place by the gravity of the planetary body. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low.