The formation, disappearance, or movement of landmasses over geologic time has altered oceanic and atmospheric circulation
a. True
b. False
Indicate whether the statement is true or false
True
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On the equinoxes, the subsolar point is at the equator, and the circle of illumination runs through _____ °N and _____ °S. Therefore, the far north and south latitudes of the circle of illumination are 90 ° away from the subsolar point. On the June solstice, the subsolar point is at the Tropic of Cancer at _____ ° _____ , and the circle of illumination passes through _____ °N and _____ °S. Which latitudes does the circle of illumination pass through on the June solstice? On February 26 the subsolar point is at 9°S, and the circle of illumination passes through _____ °N and _____ °S.
What will be an ideal response?
Geothermal energy generation ________
A) is not practical almost anywhere on Earth B) provides a tiny fraction of the United States' electrical energy C) is not associated with environmental hazards D) releases hydrogen sulfide gas E) is practical almost anywhere on Earth
The most abundant gas in the atmosphere is oxygen
Indicate whether the statement is true or false
Brain drain is
A) the large-scale emigration of talented people. B) the process by which people are given reference for migration. C) people forced to migrate for political reasons. D) a cultural feature that hinders migration. E) a net decline in literacy.