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$S{ O }_{ 2 }$ Pollution

APES-EEXY1I

Which of the following is NOT a true statement in regards to $S{ O }_{ 2 }$?

A

$S{ O }_{ 2 }$ is produced by volcanic eruptions.

B

$S{ O }_{ 2 }$ is emitted by the combustion of coal for electricity generation.

C

$S{ O }_{ 2 }$ is a component of photochemical smog.

D

$S{ O }_{ 2 }$ is classified as a primary air pollutant.

E

$S{ O }_{ 2 }$ can acidify lakes and streams.