Water pollution and consequences презентация

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Water pollution occurs mainly when people overload the aquatic environment,


Water pollution occurs mainly when people overload the aquatic environment,

streams, lakes, underground waters, bays and seas, waste or substances harmful to living beings.
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Plants and animals need relatively pure water, and they will


Plants and animals need relatively pure water, and they will

not survive if there are toxic chemicals or harmful microorganisms in the water. Water pollution kills a large number of fish, birds and other animals.
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People who drink polluted water can get sick (cancer, infectious diseases, health problems in future children).


People who drink polluted water can get sick (cancer, infectious

diseases, health problems in future children).
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*Have you asked yourself the question, do the wastes fall

*Have you asked yourself the question, do the wastes fall into

the ocean?
It turns out 75 g dry weight in solid form per person per day fall into the ocean, and in the world live more than 6 billion people.
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