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A new, third level of content, designed specially to meet the advanced needs of the sophisticated scholar. And so much more! But these fertilizers and pesticides can be washed through the soil by rain, to end up in rivers. Fertilizers and pesticides are harmful because they cause algae to grow. The algae then destroy water plants.
Factories use water from rivers to power machinery or to cool down machinery. Dirty water containing chemicals is put back in the river. Water used for cooling is warmer than the river itself, and this is also a form of pollution. People are sometimes careless and throw rubbish such as bottles and crisp packets directly into rivers. Polluted water also carries diseases. When animals drink the water, they may get diseases which can kill them.
Factories use water from rivers to power machinery or to cool down machinery. Dirty water containing chemicals is put back in the river. Water used for cooling is warmer than the river itself, and this is also a form of pollution.
Rubbish like air pollution homework help packets — efforts are being made to clean dirty rivers. Whether it is for a refresher or an interest in the topic.
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Many governments, environmental groups, and ordinary people are working to control pollution. Governments have passed laws to keep people from releasing dangerous chemicals into the environment. Some companies and people are trying to use fewer fossil fuels. Instead they are getting power from sunlight, wind, water, and other energy sources that produce less pollution. River pollution primary homework help. The River Thames is the cleanest river in homework world help flows through a major city. This is writing service specification major feat river that fifty years ago the river was so polluted pollution it was declared biologically dead.. Primary homework help river pollution.