Which of the following is true as a student slides down a water slide?
A) kinetic energy decreases
B) potential energy increases
C) total energy increases
D) none of the above
D
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Which of the following is a pattern of North American population movements?
A) an exodus of the Sunbelt B) pan-metropolitan growth where urbanites move frequently between large cities such as New York, Chicago and Los Angeles C) a movement from the Pacific to the Atlantic coastline D) the movement of African-Americans out of the South starting in the 20th century E) urban-to-rural migration as a result of job opportunities in agriculture
Record breaking low temperatures are associated with which air mass?
A) mT B) mP C) cP D) cT
In alkenes there are four groups bonded to the carbons which constitute the carbon-carbon double bond. Which of the following situations produces cis-trans isomerism?
A) when all four groups are the same B) when the two groups bonded to each carbon atom are different from one another C) when three of the four groups are the same, but the fourth group is different D) None of these results in the existence of cis-trans isomerism.
What structural feature is associated with the prostaglandin E (PGE) group?
A) a carbonyl at carbon-9 B) a carboxylate at carbon-9 C) hydroxyl groups at carbon-9 and carbon-11 D) none of the above