What is pollution?
1. Introduction of non-toxics in the enviroment.
2. Introduction of toxic...
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Biology, 10.12.2021 02:50 ericavasquez824
What is pollution?
1. Introduction of non-toxics in the enviroment.
2. Introduction of toxics in the enviroment.
3. Introduction of harmful materials in the enviroment.
4. Introduction of viruses in the enviroment.
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Answers: 2
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