Understanding Earth

Geology/Geography/Oceanography/Atmospheric Sciences

Quiz 9 :
Early History of the Terrestrial Planets

Quiz 9 :
Early History of the Terrestrial Planets

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The hypothesis that explains the formation of the solar system is referred to as the
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C

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When did the Big Bang take place?
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D

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Why is the Sun's mass decreasing with time?
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C

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Under intense pressure and high temperature,hydrogen atoms combine to form helium.This process is called
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According to the nebular hypothesis,the inner planets are dense and rocky because
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What caused dust and condensing material to accrete into planetesimals?
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The four inner planets are
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Nebulae are composed primarily of which of the following elements?
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Which of the following is not one of the giant outer planets?
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The giant outer planets are composed mostly of
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What is the process by which an originally homogeneous Earth developed a dense core and a light crust?
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The heat that caused melting in Earth's early history was supplied by which of the following events or causes?
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Which of the following statements about the age of Earth and the Moon is true?
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The effects of the collision of a large Mars-sized body with the Earth about 4.5 Ga is proposed to have caused
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Which of the following planets is not geologically active?
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The evidence that Mars once had water includes
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Which of the following statements about Mars is false?
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Which of the following solar system bodies is least likely to have water ice on its surface?
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NASA's Deep Impact mission went to which object in our solar system?
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To date,which spacecraft/mission has given us the best close-up view of Saturn's rings?
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