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Question
Which of the following is not a hypothesis for how life began?A) Methane and hydrogen sulfide from deep-sea hydrothermal vents and hot springs like those at Yellowstone National Park provided the necessary materials.
B) Asteroids and comets brought amino acids to Earth.
C) Outgassing and related volcanic materials brought proto amino acids to the surface of the earth.
D) Methane and ammonia in the early atmosphere combined with the help of lightning or ultraviolet light to produce the first amino acids.
Answer
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Related questions
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