Multiple choice

The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of

  1. Centimeter

  2. Dobson unit

  3. Pascal

  4. Astronomical unit

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of Dobson unit.