An international treaty known as the Montreal Protocol was signed to control the emission of:

  • A
    $UV$ rays
  • B
    Ozone
  • C
    CFCs
  • D
    Oxygen

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Ultraviolet radiation from sunlight causes the reaction that produces:

Why is an ozone hole formed over Antarctica?

Which of the following acts as a catalyst in the depletion of the ozone layer?

Why does the ozone hole form over Antarctica? How will enhanced ultraviolet radiations affect us?

Harmful ultraviolet radiations from the sun cause:

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