Which Event Was Most Directly Responsible for Increasing Oxygen in Earth's

question 67

Multiple Choice

Which event was most directly responsible for increasing oxygen in Earth's atmosphere?

• A) The cooling of the planet
• B) The emergence of eukaryotes
• C) The development of multicellularity
• D) The evolution of photosynthesis
• E) The rise of prokaryotes

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Threatening

Behaviors, actions, or statements intended to cause fear or apprehension in others, often as a means of controlling or influencing their actions.

Leading Question

A type of question that suggests a particular answer or is structured in such a way to guide the respondent's answer.

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A healthcare facility specialized in providing therapeutic interventions for various medical or psychological conditions.