Geologic column is subdivided into time zones. From large internals to small intervals, the names of these time zones are:
a. Epoch, Period, Era, Eon
b. Eon, Era, Period, Epoch
c. Eon, Period, Era, Epoch
d. Eon, Epoch, Era, Period
Answer: b. Eon, Era, Period, Epoch
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Which of the following could be the equilibrium constant for a reaction which proceeds very far in the direction of the products?
A) 1 x 10^-15 B) 1 x 10^- 2 C) 1 x 10^2 D) 1 x 10^15
The jet stream is ____
a. a “river of air” flowing from east to west across the northern part of America b. generally marked by fronts and storms c. located in the stratosphere and does not affect frontal systems d. bordered by low pressure areas to the north and south e. an eastward flowing “river of air” located near the arctic circle
If two places have the same latitude but different longitudes,
A. the two places are directly north or south of each other. B. the places will be directly east or west of each other on some map projections but not others. C. the two places are directly east or west of each other. D. the places will be directly north or south of each other on some map projections but not others.
Surface currents are driven by thermohaline processes.
a. true b. false