النتائج (
الفرنسية) 3:
[نسخ]نسخ!
Definition of water pollution:<br>The purpose of water pollution is to release chemicals, physical and biological substances into fresh water or the ocean, which will lead to the degradation of water quality and affect the organisms they live in. Length of stay in the aquatic environment, such as pesticides, heavy metals, non biodegradable chemicals or chemicals accumulated in the organism<br>
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