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Which best describes the configuration of the solar
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system today? - CORRECT ANSWER(S)✔✔B) It is mostly
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empty space with the planets orbiting the Sun in nearly
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the same plane
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Which best describes the configuration of the solar
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system at some point very early in its formation? -
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CORRECT ANSWER(S)✔✔D) The solar system was a || || || || || || ||
relatively dense disk around the already formed proto-Sun
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The tendency of spinning objects to spin faster as they
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collapse is due to: - CORRECT ANSWER(S)✔✔A) The
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conservation of angular momentum || || ||
Meteor showers appear to originate from a single point in
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space because: - CORRECT ANSWER(S)✔✔C) It is a
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perspective effect caused by the Earth moving through || || || || || || || ||
the meteoroid swarm
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It is thought that the collision that created the Moon and
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tilted the Earth's axis occurred _____ years ago - CORRECT
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ANSWER(S)✔✔A) 4.5 billion
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, The tides on Earth are strongest when the Moon is: -
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CORRECT ANSWER(S)✔✔E) None of these
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The Moon does not have plate tectonic activity today
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because: - CORRECT ANSWER(S)✔✔B) It has a thick crust
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and its outer mantle has solidified
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The Moon has a thin atmosphere of - CORRECT
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ANSWER(S)✔✔E) the Moon has no atmosphere || || || || ||
Mercury's day-night cycle is peculiar because: - CORRECT
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ANSWER(S)✔✔C) Its rotation is very slow which makes its || || || || || || || || ||
solar day twice as long as its solar year
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The atmospheric surface pressure on Venus is _____ the
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atmospheric surface pressure on Earth. - CORRECT
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ANSWER(S)✔✔C) higher than || ||
The most scientifically interesting feature of Mars is: -
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CORRECT ANSWER(S)✔✔D) Its polar and subsurface
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water ice ||