The velocity of a seismic wave depends on
A. its frequency.
B. its amplitude.
C. the type of material it travels through.
Answer: C
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Which European was responsible for the accumulation of detailed charts which led to increased commerce to include the west coast of Africa?
A) Christopher Columbus B) Prince Henry C) Charles Wilkes D) Captain James Cook
Many present-day fisheries managers ________
A) favor short-term solutions to marine ecosystem problems B) favor taxes on commercial fishing boats C) wish to set aside areas of ocean where systems can function without human interference D) want all laws regarding fishing to be abolished E) favor protection of commercially valuable species and not others
How many moles of oxygen atoms are present in 5.20 mol of Al2(SO4 ) 3?
A) 15.6 B) 20.8 C) 62.4 D) 3.76 x 10^25
RNA polymerase I (pol I) catalyzes the formation of which type of RNA?
A) mRNA B) rRNA C) snRNA D) tRNA