Which of the following is true concerning lingua francas?
A) They are usually spoken by the elite only.
B) Swahili is a lingua franca of East Africa.
C) They are all a mixture of different languages.
D) They are the official dialect of their respective languages.
Answer: B
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Which of the following would cause a rising water table?
A) Increased precipitation B) Increased runoff C) Decreasing infiltration D) Groundwater depletion exceeding the recharge rate
In addition to northern latitudes, patches of tundra-like plant communities are also found
A. in marshes. B. in cold deserts. C. on mountain tops. D. in bogs.
Which condition most accurately describes what is happening in the High Plains Aquifer?
A. Aquifer is stable B. Aquifer is under-utilized C. Aquifer is being depleted
The outer planets lie at great distances from the Sun, and are composed mainly of hydrogen and helium gas surrounding rocky cores.
Answer the following statement true (T) or false (F)