To strip mine for coal, what must first be removed?
a. Acid drainage
b. Coal
c. Overburden
d. Ore
Answer: C
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The town of Thistle in Utah was submerged by a lake formed by
A) excessive rainfall. B) a dam formed by a lava flow from a volcano. C) a dam formed by a landslide. D) a human-made dam.
In a single year, which of the following is the largest emitter of carbon dioxide into Earth’s atmosphere?
a. a single large volcanic eruption b. cement plants c. agriculture d. coal-fired power plants e. ground and air transportation
What is Cretaceous-Tertiary boundary clay, and where did it form? Describe the conditions under which it formed, and what it looks like
What will be an ideal response?
Which region would be most likely to produce a catastrophic landslide?
A) Old, eroded, worn-down mountains B) V-shaped stream valley with gentle slopes C) Flat-lying floodplains along a stream D) Steep, geologically young mountains