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hermiz hermiz
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6 years ago
A- and F-type stars
A) do not contain enough heavy elements to form planets
B) have lifetimes long enough for advanced life to evolve
C) have lifetimes too short for planet formation
D) have lifetimes long enough for planets to form and for simple life to appear, but not long enough for advanced life to develop
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Life in the Universe

Life in the Universe


Edition: 4th
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Life in the Universe, 4/E (Bennett, Shostak)
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DonskoyDonskoy
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hermiz Author
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6 years ago
Brilliant ツ
Liarec
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Yesterday
You make an excellent tutor!
dedricgard
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2 hours ago
Thanks for your help!!
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