The world's agricultural hearth areas are those regions
A) from which the core gets most of its food.
B) where an agricultural surplus is produced.
C) where plants and animals were domesticated.
D) where swidden cultivation is practiced.
E) where industrial agriculture is most prominent.
Answer: C
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The boreal forest biome is
A) virtually absent in the Southern Hemisphere because there is little land at the appropriate latitudes and elevations for this climate. B) relatively minor in geographic extent compared to the rain forest and deciduous forest biomes. C) only a small source of storage of carbon. D) home to a great biodiversity of organisms compared with most other biomes.
The annual pattern of global precipitation?
A. decreases poleward, inland, and downwind from major mountain ranges. B. increases poleward, inland, and upwind of major mountain ranges. C. increases poleward, inland, and downwind from major mountain ranges. D. decreases poleward, inland, and upwind of major mountain ranges.
Which of these factors are effective in moving heat from one location to another?
A. ocean currents B. clouds C. rain D. all of these
Using this plot of annual peak discharge, which of the following sizes of flood is most likely to be exceeded in any given year?
A) 4,000 cubic meters per second
B) 1,000 cubic meters per second
C) 200 cubic meters per second
D) 100-year flood