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An environment is a complex and wide a phenomenon .Human beings perform their various activities in an environment . Environment also includes the physical ,social...

Atmosphere is the main source of nitrogen .Due to various processes ,it is available to the plants and animals .Due to the high temperature released during lighting ...

Oxygen is one of the important gases found ion the atmosphere .It can be found in the form of compound of oxide ,carbonate and water in natural . Respiration and photosynthesis...

complex series of processes through which all of the carbon atoms in existence rotate is the carbon. The great natural recycler of carbon atoms is called carbon cycle.every aspect of life could...