English, asked by jannat64, 1 year ago

How to start a grouo perfomance spech of pollution give intriduce how??

plz tell me small introduction

Answers

Answered by mehak4067
1
here is your answer dear



Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1]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. In 2015, pollution killed 9 million people in the world.[2][3]

Major forms of pollution include: Air pollution, light pollution, littering, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, water pollution.

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