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511

Q:

In the context of the passage how can LED play a vital role in the climatic change?

  • 1
    By reduction of CO2 in the atmosphere
  • 2
    By reduction of the heat emission in atmosphere
  • 3
    By helping Ozone layer from getting depleted
  • 4
    By preventing industries from releasing poisonous gases into atmosphere
  • 5
    All of the above
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Answer : 1. "By reduction of CO2 in the atmosphere"

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