CBSE Class 5 Science : Changes in Environment Exam Preparation

  • What is Pollution ?
  • What is Acid Rain ?
  • What is Greenhouse gases ?
  • What is Catalyst converter ?
  • What is noise pollution? Name the sources of noise pollution.
  • Write any two sources and effects of air and water pollution.
  • Explain the phenomenon of Greenhouse Effect.
  • What are the causes and effects of global warming?
  • Differentiate between biodegradable and non-biodegradable wastes

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