Completar frases Water pollution (D)Versión en línea What do you know about water pollution? Double click on the given words in order to fill them in. por Carla Quine 1 concern ecosystems surface occurs environment air preserve destruction contamination pollution environmental protect Water pollution when pollutants get into water mainly by human causes or human factors . Water pollution is the second main along with . Water covers over 70% of the Earth's . It is a very important resource for people and the . Today , more and more organisations are working to , restore waterways and help keep waters from , and also to water from .
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