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They become polluted by people throwing away trash into the water. And by landfills on the ocean and oil spills. Then all this garbage travels all over the oceans killing marine life.

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Q: How do rivers and oceans become polluted?
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Related questions

How much of the Atlantic ocean is polluted?

All oceans have been polluted in some way, shape, or form. Oceans have been polluted be agricultural runoff and the dumping of garbage.


Why does pollution affect people?

People are affected because we are in the polluted environment, so we have to breathe the polluted air, and suffer the consequences of the polluted rivers, oceans, lands and even atmosphere, where carbon dioxide is warming up the globe.


If freshwater rivers drain into the oceans does that make the oceans become less salty?

Yes


Which oceans are being polluted?

all of them


Who makes polluted rivers?

No one makes polluted rivers. Animals and people pollute them through natural and technological processes.


What are bad things about rivers?

they can be polluted


Do rivers get polluted a lot?

Yes


What causes your lakes and rivers to be polluted?

Well littering can casue a polluted lake


Do they have any rivers and oceans in England?

England has many rivers but no oceans.


How oceans and seas are being polluted?

Where the sea is polluted by sewage, trash, oil spills and waste.


Which of these is composed of lakes rivers and oceans?

the outer space is what is composed of lakes rivers and oceans WRONG. The Hydrosphere is composed of lakes, rivers, and oceans.


What is the precentage of oceans getting polluted?

All of the Oceans of the Earth are getting polluted. 80% of the pollutants comes from the land. The remaining 20% of ocean pollution comes from the air.