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study of the earth's surface
the cardinal number that is the sum of four and one
being one more than four
a game in which a pitcher allows the opposing team 5 hits
a neurotransmitter involved in e.g. sleep and depression and memory
of a chemical compound having a ring with five members
5-hydroxy-3-methylglutaryl-coenzyme A reductase
a liver enzyme that is responsible for producing cholesterol