Given a non-cyclic alkane, a non-cyclic alkene, and a non-cyclic alkyne, each of which contains six carbon atoms, which compound will contain the fewest hydrogen atoms?
A) the alkane
B) the alkene
C) the alkyne
D) It is not possible to tell, without knowing how many double and/or triple bonds are present in the unsaturated compounds.
D
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Carbonate sediments are rare in deep sea sediments because the ____
A) organisms providing shells do not live in the deep sea B) abundance of muds and clays cover the carbonate shells C) carbonate shells are dissolved in deep water D) organisms do not live beyond the edge of the continental shelf
Which of the following folklore forecasts is least accurate?
A) "Red sky at night, sailor's delight." B) halos and rain prediction C) Candlemas/Groundhog Day D) "When spiders' webs in the air do fly..." E) "Red sky at morning, sailor take warning."
When a windmill turns to generate electricity, the amount of kinetic energy input in the process ________
A) is greater than the amount of electrical energy produced B) is less than the amount of electrical energy produced C) is unrelated to the amount of electrical energy produced D) equals the amount of electrical energy produced
Which of the following is an example of an age-relationship based on relative dating?
A) Australopithecines were alive 3.2 million years ago. B) The Neanderthals became extinct 35,000 years ago. C) Australopithecines evolved before Homo erectus. D) Clovis points have been dated at 11,000 years old in North America.