The self-sustaining cascade of nuclear fission is called a(n) ____ reaction.
A. light-water
B. sequestration
C. rod
D. chain
E. cycle
Answer: D
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Mammalian faunas of _____ were particularly hard hit by the Pleistocene extinctions
A)the Himalayas and Antarctica B)Antarctica and South America C)North America and South America D)Australia and North America E)Asia and North America
Locations with severe midlatitude climates such as Shenyang, China, experience
A) warm summers and cold winters. B) warm winters and cold summers. C) warm summers and heavy wintertime precipitation. D) cool winters and heavy wintertime precipitation.
A catalyst speeds up a chemical reaction as a result of which of the following?
A) It increases the number of collisions between reacting molecules. B) It makes the reaction more endothermic. C) It makes the reaction more exothermic. D) It provides an alternative reaction pathway.
Which of the following alcohols has the highest boiling point?
A) 1-pentanol B) 1,5-pentanediol C) 1,3,5-pentanetriol D) 1-butanol