Which landform is described as a steep-sided amphitheater depression or half bowl high on a mountain side at the head of a glacially eroded valley?
A) an arete
B) a horn
C) a cirque
D) a tarn
Answer: C
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The resulting temperature of 1 liter of 40°C water mixed with 1 liter of 20°C water is
A. less than 30°C. B. more than 30°C. C. at or about 30°C. D. indeterminate
Formation of entrenched meanders can result from a
A) low-gradient river followed by downcutting. B) braided river that later exceeds its capacity to carry sediment. C) braided river followed by regional uplift. D) steep-gradient mountain stream following by an increase in precipitation.
What occurs when air is subjected to less pressure?
A) The air becomes compressed. B) The air expands C) The air rises in temperature. D) The water vapor is able to condense.
The Modified Mercalli Scale determines earthquake intensity, a measure of an earthquake's effect on people and buildings.
Answer the following statement true (T) or false (F)