Thiols are most closely related to which of the following classes of compounds?
A) alcohols
B) aldehydes
C) carboxylic acids
D) ketones
A
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A) 1:120,000 B) 1:200,000 C) 1:1,000,000 D) 1:60,000 E) 1:12
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A) detect shortwave radiation. B) emit waves at the 6.7 micrometer frequency. C) receive a weaker signal from a tall cloud than from a low-lying cloud. D) have been phased out in favor of water vapor detectors.
Which would make the best aquifer?
A. clay in the zone of saturation B. sandstone in the zone of saturation C. unfractured granite in the zone of saturation D. gravel in the zone of aeration