A closed system means that neither energy nor matter enter or leave the system
Indicate whether the statement is true or false
F
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On which body (other than Earth) is life in our solar system most likely to be found?
A. Europa B. Mars C. Venus D. There is no evidence of any kind that life will be found anywhere in our solar system. We will have to look farther.
Government restrictions on the use to which various parcels of land may be put is called
A) planning. B) suburbanization. C) zoning. D) restrictive ordinances. E) districting.
Over geologic time, _____ open up vast areas of shallow seas that could be inhabited and exploited
A)marine transgressions over the cratons B)marine regressions from the cratons C)glaciations D)continental movements E)mass extinctions
Spring tides occur ________.
A. twice a month when the Earth-Sun and Earth-Moon lines are at a right angle to each other B. twice a month when the Earth, Sun and Moon are fully aligned C. once a month when the Earth-Sun and Earth-Moon lines are at an angle of 45° to each other D. once a month when the Earth, Sun and Moon are fully aligned E. once a month when the Earth-Sun and Earth-Moon lines are at a right angle to each other