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Biodiversity, Conservation and Environmental Issues — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity, Conservation and Environmental Issues4 Marks
Question
What is solid waste? How is it disposed?
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Answer

  1. Solid waste means all the trash which is not needed by a person who throws it. Wastes from home, offices, stores, schools, hospitals, etc. form the wastes which is collected and disposed by municipality.
  2. Municipal solid waste is composed of paper, food, plastic, glass, metals, rubber, leather, textile, etc.
  3. Burning reduces volume of the waste. But it produces toxic air pollution.
  4. The incomplete burning also causes release of CO.
  5. Open dumps of wastes are breeding ground for rats and flies, so sanitary landfills are created.

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