The Big Rip refers to the
A. possibility that galactic centers may suddenly disappear causing galactic disintegration.
B. phenomenon of dark energy decelerating, causing all matter to disintegrate.
C. accelerating influence of dark energy, causing all matter to become completely ripped apart.
D. phenomenon of dark energy causing the universe to rip into two or more spacetimes.
Answer: C
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International trade policies involving food have to make sure that
A) developing nations are not undersold or discouraged from increasing their food productivity. B) developed nations make a significant profit on their international food sales. C) developing nations set the terms of trade agreements. D) only sustainably produced food enters the international market.
Most of Earth's freshwater is found in:
a. the zone of saturation. b. the world's fresh lakes. c. the world's rivers. d. glaciers, ice, and snow. e. clouds and the atmosphere.
The minimum tidal range happens during ________ tides
A) fall B) neap C) spring D) summer E) winter
Which of the following can cause a seiche?
A. convection over a large land mass B. very strong winds C. high mountains interfering with a westerly wind flow D. wind shear at very high altitudes