Why Is the Hypothesis That Life on Earth Came from Outer

question 78

Multiple Choice

Why is the hypothesis that life on Earth came from outer space considered plausible?

• A)because alien DNA is like human DNA
• B)because organic molecules have been found in space
• C)because many meteorites contain complex organic molecules
• D)because Earth has had many collisions in its history
• E)because Earth formed with the Sun from the solar nebula

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