What do scientists mean when they say that a flood is a 100-year flood?
A)A flood of that magnitude will occur once every 100 years.
B)Every year there is a 1% chance of a flood of a certain magnitude occurring.
C)There isn't enough information to determine how frequently flooding occurs.
D)Every year, there is a 10% chance of a flood of a certain magnitude occurring.
E)The last time a flood of that size occurred was 100 years ago.
B
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A) Buddhism B) Islam C) Christianity D) Buddhism and Christianity E) Buddhism, Christianity and Islam
Metamorphism that occurs over broad areas when the pressure and associated heat of of overlaying rocks or other tectonic forces cause the rocks to undergo deformation is known as
A) contact metamorphism. B) regional metamorphism. C) intrusive metamorphism. D) extrusive metamorphism.
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a. True b. False