Which of the following statements describes a neutral solution?
A. [H3O+] > [OH-]
B. [H3O+] < [OH-]
C. [H3O+] × [OH-] ? 1 × 10-14
D. [H3O+]/[OH-] = 1 × 10-14
E. [H3O+]/[OH-] = 1
Answer: E
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Glaciers were rare during the Proterozoic, as temperatures were too warm
a. True b. False
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