Social Science · Physical Geography
Study the following statements regarding the evolution of the Earth and choose the correct alternative: (A) The early atmosphere contained very little free oxygen. (B) Earth's oceans were saturated with oxygen before oxygen began to flood the atmosphere.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (A) and (B) are true.
- 2Both (A) and (B) are false.
- 3(A) is true but (B) is false.✓
- 4(A) is false but (B) is true.
Correct answer
(A) is true but (B) is false.
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