Multiple Choice
The First Great Oxidation Event was likely a result of ____.
A) photosynthesis
B) oxygen production by zooplankton
C) a combination of biological and geochemical processes
D) accelerated weathering caused by lichens
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q14: A rapid rise in oxygen levels occurred
Q15: Oxygen comprises most of the air we
Q16: Earth's initial atmosphere composition 4.6 billion years
Q17: The earliest organisms on Earth required an
Q18: In the United States, the cost of
Q20: The primary source of sulfur dioxide pollution
Q21: Chlorofluorocarbons and halons destroy ozone in the
Q22: The Clean Air Act and its amendments
Q23: Define tropopause.
Q24: Incomplete combustion of fossil fuels releases carbon