Biology, 16.09.2019 06:00 zay9357

Which of the following does not represent conditions believed by scientists to have been present on early earth?
a. an atmosphere thick with water vapor
b. energy in the form of ultraviolet radiation
c. extremely cold temperatures
d. very low levels of free oxygen

Answers: 1

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Which of the following does not represent conditions believed by scientists to have been present on early earth? a. an atmosphere thick with water vapor b. energy in the form of ultraviolet radiation c. extremely cold temperatures d. very low levels of free oxygen

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Another question on Biology

Which of the following does not represent conditions believed by scientists to have been present on early earth?
a. an atmosphere thick with water vapor
b. energy in the form of ultraviolet radiation
c. extremely cold temperatures
d. very low levels of free oxygen