IrvinYoani IrvinYoani

24-07-2020
English

contestada

What is the leading cause of water contamination in countries without water treatment plants?
1.lack of public health agencies

2.invasion by parasites

3.improperly managed sewage

4.drought

Respuesta :

siri1015 siri1015

24-07-2020

3 I believe because the sewage goes into the water hence contamination

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