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?
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.
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