katlynncaseltier katlynncaseltier

13-03-2016
Biology

contestada

What is litter on the ground or harmful chemicals in the water?

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andriansp andriansp

21-03-2016

It's called pollution

Pollution is an introduction of contaminants ( whether its chemical or non chemical) that cause an unusual change for the environment.

Pollution can take forms in chemicals, litter on the ground, light , heat, and even noises.

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