The maximum angle at which soil, sediment, and rock will remain on a slope without moving downslope is the
A) angle of repose. B) mass movement gradient.
C) the speed of the particles. D) height of the slope.
A
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Which statement about urban areas is supported by environmental analysts?
A. Most of the world's urban areas are not environmentally sustainable in the long run. B. Most of the world's urban areas are environmentally sustainable in the long run. C. Since the ecological footprint of a city does not extend beyond its border, cities are models of sustainability. D. The only truly sustainable places occur in large urban areas.
Crude birth rates and crude death rates are calculated as being the number of births or deaths per how many people?
A. 1,000 B. 100,000 C. 10,000 D. 100
Each year, an area of tropical rain forest approximately the size of Wisconsin is cleared
Indicate whether the statement is true or false
Which of the following is not part of the U.N.'s Millennium Development Goals to reduce poverty?
A) eradicate hunger B) provide universal college education C) promote gender equality D) combat HIV/AIDS E) improve maternal health