Which of the following is not one of the requirements that must have existed for the chemical evolution of life on Earth to have occurred?
A) a source of energy
B) availability of chemical building blocks
C) oxygen (O2)
D) time
E) carbon dioxide
Correct Answer:
Verified
Q1: High energy sources on early Earth, which
Q2: The concept that simple organic molecules could
Q3: The hypothesis that organic molecules formed near
Q5: Multicellular eukaryotes arose about:
A) 3.8 billion years
Q6: The most significant outcome of the Miller
Q7: Chemical evolution:
A) cannot be investigated experimentally.
B) was
Q8: One critical requirement for life to arise
Q9: Which of the following gases was not
Q10: Presently, it is thought that organic polymers
Q11: The approximate age of the Earth is:
A)
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