A rate of natural increase of 1.0 percent results in a doubling time of how many years?
A. 35
B. 140
C. 24
D. 70
Answer: D
Environmental & Atmospheric Sciences
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A. deforestation B. construction C. retiring cropland without establishing alternate vegetative coverage D. contour plowing in agriculture
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Crystal size can be used to help distinguish
A) clastic from chemical sedimentary rocks. B) hydrothermal from chemical rocks. C) volcanic from plutonic igneous rocks. D) regional from contact metamorphic rocks.
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The only large land mass NOT part of a sovereign state is
A) Antarctica. B) the Arctic. C) Greenland. D) Siberia. E) Borneo.
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Landscapes in a dynamic equilibrium show ongoing adaptations to ongoing changes occurring in a landscape
Indicate whether the statement is true or false
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