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Biology of Humans 6th Edition by Judith Goodenough,Betty McGuire
Edition 6ISBN: 978-0134324876Biology of Humans 6th Edition by Judith Goodenough,Betty McGuire
Edition 6ISBN: 978-0134324876 Exercise 9
Which of the following was in very short supply in the environment of early Earth
a. lightning
b. volcanoes
c. gaseous oxygen (O₂)
d. UV radiation
a. lightning
b. volcanoes
c. gaseous oxygen (O₂)
d. UV radiation
Explanation
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Biology of Humans 6th Edition by Judith Goodenough,Betty McGuire
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