The main effect of the Great Oxygenation Event on Earth's climate was lowered global temperatures. The event, which occurred around 2.4 billion years ago, resulted in a significant increase in atmospheric oxygen due to photosynthetic microorganisms, leading to the oxidation of greenhouse gases and a consequent cooling of the planet.
What was the main effect of the Great Oxygenation Event on Earth’s climate?(1 point)
Responses
Increased global temperatures
Increased global temperatures
Lowered global temperatures
Lowered global temperatures
Increased carbon dioxide levels
Increased carbon dioxide levels
Increased methane levels
Increased methane levels
1 answer
1 answer