Which of the following is always a direct product of the hydrolysis of an ester, regardless of whether the reaction is performed under acidic or basic conditions?
A) an aldehyde
B) a carboxylic acid
C) a salt
D) none of these
D
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Which of the following situations would likely have low species diversity?
A. A region with mountains. B. A desert. C. An area with high species richness. D. A forest being managed for maximum lumber production.
Preserved rocks in North America are generally less than ________
A) 10 km thick B) 3.5 billion years old C) 2.7 g/cm3 in density D) 20 km wide E) 50 km long
Determine if the phrase in bold applies to only contact metamorphism, only regional metamorphism, both types of metamorphism or neither type of metamorphism. Found in mountain belts
A. Both contact and regional metamorphism B. Only contact metamorphism C. Only regional metamorphism D. Neither contact or regional metamorphism
Why are air mass thunderstorms most likely to occur in the midafternoon?
A) Water-vapor contents are too low at night. B) Upper-level winds are too fast at night and in morning. C) Atmosphere is most unstable at that time. D) It takes all day for them to mature.