457. Because marine algae indirectly remove atmospheric carbon dioxide, a major ______ in marine algae populations might result in ______ levels of carbon dioxide.
A. transformation, perceptible
B. reduction, elevated
C. explosion, increased
D. decline, stabilized
E. change, uniform

458. Keats' poetry was called ______ by those critics who noted that he indulged in sensuous imagery and luxuriant diction.
A. voluptuous
B. imperious
C. sheepish
D. harmonious
E. pedantic

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