Many municipal water systems use a high water tower to
A) prevent pollution of the water.
B) paint the town's initials.
C) provide potential energy.
D) get the water out of the ground.
Answer: C
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In the early 19th century, the owners of Hawaii 'an sugar plantations faced which of the major drawbacks?
A) The lack of water and shortage of labor. B) The lack of arable land and the lack of water. C) The shortage of labor and the lack of useable land. D) Hostility from native groups and the lack of water.
What is a failure envelope and how is it established for a rock?
What will be an ideal response?
In terms of the periodic table, is there an abrupt or gradual change between ionic and covalent bonds?
A) There is an abrupt change that occurs across the metalloids. B) Actually, any element of the periodic table can form a covalent bond. C) There is a gradual change: the farther apart, the more ionic. D) Whether an element forms one or the other depends on nuclear charge and not the relative positions in the periodic table.
"Closed canopy" forests are those in which tree crowns
A. Cover about 20 percent of the ground surface B. Include all sizes of trees C. Cover most of the ground D. Cover less than 10 percent of the ground surface E. Crowd out smaller vegetation