Section: 15.Biosphere | Science - Grade - 11 | e-thaksalawa

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Course index

Section outline

- Select activity Text Book
  
  Text Book File
- Select activity Unit Test - Nalanda College, Colombo 10
  
  Unit Test - Nalanda College, Colombo 10 File
- Select activity Study pack
  
  Study pack File
- Select activity 4.1 Investigates the organizational level of the biosphere and interactions existing with it.
  
  4.1 Investigates the organizational level of the biosphere and interactions existing with it. Interactive Content
- Select activity 4.2 Investigates the mechanisms that contribute to maintaining the balance of the ecosystem
  
  4.2 Investigates the mechanisms that contribute to maintaining the balance of the ecosystem Interactive Content
- Select activity 4.3 Explores various types of pollutants and their adverse effects.
  
  4.3 Explores various types of pollutants and their adverse effects. Interactive Content
- Select activity 4.4 Explores the effects of change in life style
  
  4.4 Explores the effects of change in life style Interactive Content
- Select activity 4.5 Investigates on ways to contribute to sustainable development.
  
  4.5 Investigates on ways to contribute to sustainable development. Interactive Content
- Select activity Acid rain
  
  Acid rain