The atmosphere is a blanket of air surrounding the earth composed of Nitrogen , Oxygen , Carbon Dioxide and inert gases.It is one of the four realms of the earth.
It is composed of 5 layers:Troposphere , Stratosphere , Mesosphere , Thermosphere and Exosphere .
Biosphere is a zone on earth in which living beings exist.It has many ecosystems.
All the ecosystems of the earth together make up the biosphere.
It serves as the highest level of organization.It consists of the life giving areas of Lithosphere , Hydrosphere and Atmosphere.
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Biosphere refers to the entire biological system ⇒air, water, land, plants, and animals life in a specific area.atmosphere is just a air.
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