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$S{ O }_{ 2 }$ Pollution

APES-EEXY1I

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

A

${SO }_{ 2 }$ is produced by volcanic eruptions.

B

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

C

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

D

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

E

${SO }_{ 2 }$ can acidify lakes and streams.