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SS2: BIOLOGY - 3RD TERM

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  1. Pollution
    3 Topics
  2. Pollution II
    3 Topics
    |
    1 Quiz
  3. Conservation of Natural Resources
    6 Topics
    |
    1 Quiz
  4. Pests and Diseases of Crops
    4 Topics
  5. Control of Pests
    3 Topics
    |
    1 Quiz
  6. Reproductive System in Vertebrates I
    5 Topics
    |
    1 Quiz
  7. Reproductive System in Vertebrates II (Mammals)
    4 Topics
    |
    1 Quiz
  8. Reproductive System in Vertebrates III (Comparison of Reproduction in Vertebrates)
    4 Topics
    |
    1 Quiz
  9. Reproductive System in Plants
    2 Topics
    |
    1 Quiz
  10. Pollination in Plants
    4 Topics
    |
    1 Quiz

Quizzes

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SS2: BIOLOGY – 3RD TERM Pollution II Soil Pollution
Lesson 2, Topic 1
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Soil Pollution

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Topic Content:

  • Soil Pollution (Sources and Effects)
  • Control of Soil Pollution
soil pollution

The major pollutants of soil, their sources and harmful effects are discussed below:

Soil pollution can be caused by sewage, refuse, metal scraps, crude oil spillage etc.

Control of Soil Pollution:

1. Burn refuses in incinerators.

2. Treatment of sewage before disposal to make it less hazardous. 

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