Answers

2015-10-14T18:10:45+05:30
BIOSPHERE(life),LITHOSPHERE(land),ATMOSPHERE(air),HYDROSPHERE(water) are the four types of environment
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2015-10-15T17:24:39+05:30
There are four types of environment: Biosphere = Life,Atmosphere = Air, Lithosphere = Land and Hydrosphere = water.
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