What did the Cassini spacecraft and its Huygens probe discover on the surface of Titan, the largest of Saturn's moons?
A. Networks of drainages were apparently carved by liquids.
B. The surface was nearly completely covered by impact craters.
C. There was a large impact crater that nearly blasted the moon apart.
D. None of these choices are correct.
Answer: A
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The invasion of older, centrally-located working-class neighborhoods by higher-income professionals in search of character and convenience is called
A) gentrification. B) congregation. C) smart growth. D) urban ecology. E) the fiscal squeeze.
Which of the following is NOT happening in the area shown by this figure?
A. eruptions onto the seafloor B. release of water by a descending plate C. faulting D. melting of rising mantle E. plates are moving apart
Which of the following correctly describes the chemical reactivity of citrate and isocitrate?
A) Both citrate and isocitrate can be oxidized. B) Neither citrate nor isocitrate can be oxidized. C) Citrate can be oxidized, but isocitrate cannot. D) Isocitrate can be oxidized, but citrate cannot.
Explain why it is important not to base opinions of global warming on a specific weather event, such as an extremely cold winter in North America. Provide examples to support your answer
What will be the ideal response?