Ozone layer thickness is measured in____________?

Correct answer: D. Dobson

  • A. Metre
  • B. Joule
  • C. Pounds
  • D. Dobson

Explanation

The amount of ozone in the atmosphere is measured in Dobson units, with one Dobson unit representing a very thin layer of pure ozone under standard conditions. Metre measures length, not atmospheric ozone concentration.

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