Why are Bolivians able to grow wheat, potatoes, and barley at 4250 m (14,000 ft) at the same latitude of rain forests at low elevation where these same crops will not grow?
What will be an ideal response?
The mild temperatures because of altitude and the consistent temperatures because of nearness to the equator combine for conditions ideal for potatoes, wheat, and barley. Wheat would fail at this same latitude but near sea level where consistently warm conditions and heavier rainfall eliminates such crops.
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A genuine success story of advance warning before a large eruption occurred in the Philippines in 1991 before the climactic eruption of ________.
A. Nevado Del Ruiz B. Popocatepetyl C. Mt. Mayon D. Mont Pelée E. Mt. Pinatubo
Explosive eruptions tend to build up
A) many subsequent lava flows. B) plateau basalts. C) composite volcanoes. D) shield volcanoes. E) basalt pools.
________ refers to all materials moved by glaciation
A) Drift B) Silt C) Ablation D) Moulins E) Debris
The age structure diagram of Canada suggests that its total fertility rate (TFR) is ________
A) zero B) less than its replacement rate C) now rising but has been recently declining D) steadily rising