Which of the following is a feature that commonly forms where limestone has been dissolved?
A. karst topography
B. cave
C. sinkhole
D. All of these choices are correct.
Answer: D
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If a sediment is white in color, it is likely to be:
A) undergoing oxidation. B) terrigenous in origin. C) biological in origin. D) a nodular sediment.
Poverty and the exploitation of natural resources usually results in __________ unless proper measures are taken to prevent it.
Fill in the blank(s) with the appropriate word(s).
Countries in what part of South America have had strong ties to Western Europe?
A) northern B) southern C) western D) eastern E) the Andes Mountains
The mass wasting process in steep mountain areas that causes accumulations of rock debris called talus is called ________
A) a slump B) a rock avalanche C) a rock fall D) a rock slide