The SO₂emissions Displayed in This Map Derive Mainly from the

question 11

Multiple Choice

The SO₂emissions displayed in this map derive mainly from the

• A)automobile emissions from point sources.
• B)automobile emissions from nonpoint sources.
• C)burning of coal from point sources.
• D)burning of coal from nonpoint sources.

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Definitions:

Glycine

The simplest amino acid with the formula NH2CH2COOH, used in the biosynthesis of proteins.

Alanine

A nonessential amino acid used by the body to build proteins and involved in metabolism.

Aspartic Acid

An amino acid with the formula C4H7NO4, important in the biosynthesis of proteins.

Histidine

An essential amino acid important in many proteins, playing a key role in enzymes and the buffering of pH in blood.