An empty jug of weight W rests on a table. Water of weight w is then poured into it. The support force supplied by the table is
A. W + w.
B. W - w.
C. W.
D. none of the above
Answer: A
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A change in the direction of wave travel at the core-mantle boundary is called ________
Fill in the blank(s) with correct word
According to the Hadley cell model,
A) heated equatorial air expands vertically into the upper atmosphere B) cooled polar air expands vertically into the upper atmosphere C) polar air expands vertically into the upper atmosphere D) equatorial air sinks from the upper to the lower atmosphere
Prior to WWII, what factor limited the development of large-scale industry in the Pacific Northwest?
A) The lack of power plants prevented the expansion needed. B) With the lack of population on the Pacific Northwest, there was no demand for finished goods. C) Its isolation from the rest of North America and difficulty of transporting goods. D) With the adult U.S. population depleted in the Pacific Northwest after WWI, there was a lack of workers available.
The system of north-south great circles that intersect at the poles are called
a. small circles. b.parallels of latitude. c. isolines. d. meridians of longitude.