Current Affairs · Environment and Ecology
The term 'Dark Oxygen', recently seen in the news, refers to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Oxygen produced in the deep ocean by polymetallic nodules without the involvement of light or photosynthesis.✓
- 2Oxygen trapped in ancient ice cores studied to understand past climate conditions.
- 3Oxygen released by undersea volcanic activity during eruptions.
- 4Oxygen produced by bioluminescent organisms in the deep ocean.
Correct answer
Oxygen produced in the deep ocean by polymetallic nodules without the involvement of light or photosynthesis.
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