Which of the following is true of lactic acid and glycolic acid?
A) Both glycolic acid and lactic acid are a-hydroxy carboxylic acids.
B) Neither glycolic acid nor lactic acid is an a-hydroxy carboxylic acid.
C) Glycolic acid is an a-hydroxy carboxylic acid and lactic acid is a b-hydroxy carboxylic acid.
D) Lactic acid is an a-hydroxy carboxylic acid and glycolic acid is a b-hydroxy carboxylic acid.
A
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In the diagram below, C is the
A) hadal zone.
B) mesopelagic zone.
C) epipelagic zone.
D) benthic zone.
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