Which of the following is a type of speleothem?
a. column
b. haystack hill
c. geyser
d. tower karst
e. swallow hole
A
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Which method of data acquisition is NOT considered to be in the class of remote sensing?
A) aerial photography B) weather satellite data C) landsat satellite data D) rain gauge data
A 2-m long water wave that oscillates up and down 3 times each second has a wave speed of
A. 2 m/s. B. 6 m/s. C. 3 m/s. D. none of the above
According to environmental writer Bill McKibbin, "the great environmental story of the United States, and in some ways, the whole world" is the
a. restoration of grasslands b. regrowth of forests c. production of biofuels on forest land d. restoration of aquatic ecosystems e. restoration of saguaro cactus stands
What is an element?
A) two or more atoms held together by chemical bonds B) a chemical that cannot be broken down or separated into other chemicals C) one or more molecules held together by chemicals D) a chemical that needs a second chemical to be stable E) a chemical that can be broken down or separated into other chemicals