Most human ancestors (ancestors of Homo) have become extinct
a. True
b. False
True
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What does a terminal moraine represent?
A) The end of a polished and scratched segment of bedrock B) The sharp ends of a jagged ridge formed by glaciers C) The end of an ice sheet that is floating in the sea D) A pile of sediment deposited at the end of the glacier E) The final time that two glaciers come together
Which currents are the slow, deep currents that affect seawater beneath the pycnocline?
a. deep-ocean b. thermocline c. surface d. thermohaline e. turbidity
This is not one of the three processes for saturating air with water vapor:
A) increasing the carbon dioxide content of air. B) adding water vapor to the air. C) lowering the temperature to the dew point. D) mixing cold air with warm, moist air.
Wegener's critics pointed out to him that the configuration of coastlines results from erosional and depositional processes and therefore is continuously being modified. What idea were they arguing against?
A)continental movement due to erosion and deposition rather than plate tectonics B)continental fit between South America and Africa C)land bridges continually appearing and disappearing D)ocean currents having minimal effect on large landmasses E)using coastline geology for predicting movements of continents