Lines on a map that connect points with the same numerical value are called ____
a. rhumb lines
b. great circles
c. isolines
d. small circles
e. base lines
c
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Which of the following are sources of particulates?
A) natural fires B) volcanic eruptions C) wind-blown pollen D) all of these
The Aral Sea is shrinking due to ________
A) a large number of dams B) diversion of the rivers that flow into it C) overdrawing the aquifer it is located upon D) saltwater intrusion E) subsidence
Explain the principle of uniformitarianism
What will be an ideal response?
A lesson from the Ducktown, Tennessee mining experience is that mineral exploitation can
A. significantly improve the health of local people. B. actually enhance the biotic resources of a region. C. produce great wealth but at great social and environmental cost. D. be done in an environmentally sound way.