The Sears Tower in Chicago is 110 stories tall. Atmospheric pressure is greatest at the
A) top of the building.
B) bottom of the building.
C) 50th floor.
D) the pressure is equal on all floors.
Answer: B
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A rock that is 2,000 million years old comes from the ________ Era
A) Phanerozoic B) Paleozoic C) Proterozoic D) Paleoproterozoic
Mesocyclones
A) are formed at the same time as the actual tornado. B) do not form in association with supercells. C) intensify when the area of rotation decreases. D) require the presence of vertical wind shears.
What is infiltration?
A) The transition from liquid to gas as a result of increases in temperature B) Plants taking in water C) Water soaking into the ground D) Water running off the surface and entering a channel
Where was the "new economy" born in the U.S.?
A) Los Angeles, CA B) New York City, NY C) Seattle, WA D) Silicon Valley, CA E) Phoenix, AZ