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killian killian
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10 years ago
Which statement must be true in order for a rocket to travel from Earth to another planet?
A) It must attain escape velocity from Earth.
B) It must carry a lot of extra fuel.
C) It must have very large engines.
D) It must be launched from space, rather than from the ground.
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bio_manbio_man
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10 years ago
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killian Author
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10 years ago
Thank you bio_man
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