Multiple choice

Global pollutants are those

  1. which are present throughout major oceans
  2. which are present in upper atmosphere

Which of the above is/are true?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A global pollutant refers to a pollutant whose damage is determined by its concentration in the upper atmosphere. Examples:

  1. Carbon dioxide is often cited as a contributor to the greenhouse effect.
  2. Chloroflourocarbon emissions are linked to ozone depletion.

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