Sulfur dioxide emitted from power plants eventually causes acid rain in the atmosphere. Which term best describes acid rain?

Question

Question 2 options:

A)

Primary pollutant

B)

Primary and secondary pollutant

C)

Greenhouse gas

D)

Secondary pollutant

Answer 1

The correct answer is:

D) Secondary pollutant

Acid rain is considered a secondary pollutant because it is not directly emitted but rather forms in the atmosphere through chemical reactions involving primary pollutants like sulfur dioxide (SO2).