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+---- Thread: environmental pollution in tamil language (/showthread.php?tid=4354)
environmental pollution in tamil language - pratik - 08-16-2017
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants. Pollution is often classed as point source or nonpoint source pollution.
environmental pollution in tamil language - Anand Mathew Thomas - 08-16-2017
Helpme I have model exam tomorrow I don't anything about environment want to know something