Definitions
Ecosystem: Refers to inter-relationship between biotic & abiotic components of the Environment.
Conservation: Sustainable utilization of resources to meet demands of the present generation without compromising the ability of the future generation to meet their own needs.
Pollution: An undesirable change in physical,chemical or biological characteristics of air,land, water that may or will affect life.
Pollutants:
*Residues of things we make,use and throw away.
*By-products of transportation,industry and agriculture,and other human activities
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