If you take a ride in the International Space Station you'll experience weightlessness due to
A. no inertia in space.
B. rotation of the station.
C. the absence of a support force.
D. the absence of Earth gravity.
Answer: C
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Pluvial lakes form at the margins of melting glaciers. Indicate whether the statement is true or false
It has been suggested that the threat of global warming can be addressed by geoengineering strategies. Which strategy has not been examined by researchers?
A. adding iron to the oceans B. building lots of chemical plants to remove ocean acidity C. injecting sulfate particulates into the stratosphere D. covering the oceans with Styrofoam chips E. placing giant mirrors in orbit above the earth to reflect sunlight
Modern earthquake forecasts can accurately predict the probability of an earthquake within several years, but do not predict magnitude
a. True b. False
At deep sea trenches, ____________________ is subducted back into the ____________________.
Fill in the blank(s) with the appropriate word(s).