Question

What is atmosphere !!!!!!!!!!!!

Answer 1

Answer :

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The blanket of air that surrounds the Earth containing a number of constituent gases is known as Atmosphere. Earth's atmosphere has various gases such as nitrogen around 78% , Oxygen around 21% , Argon, Carbon dioxide, Helium, Water vapours particulate matter in smaller quantity. Each of these components play their role for existence and survival of life on Earth. For Example :

• Nitrogen is the major component of protein.
• Oxygen is required by Eukaryotic aerobic organisms for respiration that is to break down glucose and get the required energy for day to day work purposes.
• Carbon Dioxide is used to make green plants in presence of Sunlight to make glucose by the process of photosynthesis. It is also used by marine animals for making their shells.

Atmosphere is divided into three different layers and the air in the atmosphere is the bad conductor of heat which controls the weather and the climatic conditions of a particular region along with various other factors.

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Answer 2

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The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere.