At which lunar phase(s) are tides most pronounced (for example, the highest high tides)?
A) both new and full moons
B) both first and third quarters
C) full moon only
D) new moon only
E) third-quarter moon only
A) both new and full moons
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The presence of vesicular basalts among the lunar rock samples shows that
a. the lunar surface was fragmented by meteorite impacts. b. volcanism did not occur on the moon. c. the crust must have been made of anorthosite. d. molten lava once flowed over the lunar surface. e. the moon was once hit by a very large meteorite.
During the Cretaceous period, Earth experienced a worldwide rise in sea level caused by
A) melting of glacial ice. B) the thermal expansion of the crustal surface and the breakup of Pangaea. C) subduction of the seafloor. D) subduction of continental land masses.
Generally, the solubility of gases in liquids increases with
a. decreasing temperature and increasing pressure. b. increasing temperature and decreasing pressure. c. decreasing temperature and decreasing pressure. d. increasing temperature and increasing pressure.
A film of index of refraction n1 coats a surface with index of refraction n2. When n1
A.
.B.
.C.
.D.
.E.
.