Multiple Choice
What was NOT an important source of prebiotic molecules (e.g., amino acids) on the early Earth?
A) outgassing by volcanoes
B) molecules produced in the atmosphere by the action of lightning
C) molecules produced by chemical reactions near deep-sea ocean vents
D) molecules transported to the surface by impacts
Correct Answer:
Verified
Correct Answer:
Verified
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Q14: The colonization of land by plants appears
Q15: Microfossil evidence suggests that life<br>A) originated when
Q16: Current geological evidence suggests that life<br>A) must
Q16: Which approach is currently proving to be
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Q21: The most common isotope of carbon is<br>A)
Q23: The Carboniferous Period began about<br>A) 475 million
Q28: To date, meteorites have been identified originating
Q95: During the Carboniferous Period,<br>A) the carbon dioxide