Multiple choice

Pollutant-consuming organisms are known as

  1. particulates

  2. receptors

  3. sinks

  4. hydrocarbons

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

The elements or organisms that can consume a pollutant are known as 'sinks'. Recent researches have shown that soil is capable of removing large amounts of CO from the atmosphere by the action of some soil microorganisms. The microorganisms act as a sink for CO.