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Question 2

A. There used to be more water on Mars than in Earth’s Arctic Ocean.
B. Mars used to be covered with water more than a hundred meters deep.
C. Nearly all the water on Mars has evaporated into space.
D. Evidence of water on Mars has never been found before.

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A. They were heading back home.
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A. The U.removed Cuba from its list of state sponsors of terrorism.
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Question 2

A. There used to be more water on Mars than in Earth’s Arctic Ocean. B. Mars used to be covered with water more than a hundred meters deep. C. Nearly all the water on Mars has evaporated into space. D. Evidence of water on Mars has never been found before.

Question 1

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Question 3

Question 1

A. There used to be more water on Mars than in Earth’s Arctic Ocean.
B. Mars used to be covered with water more than a hundred meters deep.
C. Nearly all the water on Mars has evaporated into space.
D. Evidence of water on Mars has never been found before.