Classify each of the following disposal methods as organic or inorganic. 1. Dumping into the sea. 2. Sanitary...

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Civil Engineering

Classify each of the following disposal methods as organic orinorganic.
1. Dumping into the sea.
2. Sanitary land filling.
3. Incineration.
4. Composting.
5. Ploughing in fields.
6. Hog feeding.
7. Grinding and discharging into sewers.
8. Salvaging.
9. Fermentation or biological digestion.

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1 Dumping into the sea Ocean dumping refers to the dumping of materials like garbage construction and demolition debris sewage sludge dredge material and waste chemicals in the ocean Materials in the ocean are often dumped on the continental shelf In some cases ocean dumping is regulated and controlled while some dumping occurs haphazardly by ships and tankers at sea or illegally within coastal waters Most states also have a number of laws and regulations to control operations 2 Sanitary landfill Sanitary landfill method of controlled disposal of municipal solid waste refuse on land The method was introduced in England in 1912 where it is called controlled tipping Waste is deposited in thin layers up to 1 metre or 3 feet and promptly compacted by heavy machinery eg bulldozers several layers are placed and compacted on top of each other to form a refuse cell up to 3 metres or 10 feet thick At the end of each day the compacted refuse cell is covered with a layer of compacted soil to prevent odours and windblown debris All modern landfill sites are carefully selected See Answer

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