Assertion: water vapor | /r/HasProperty | the most potent greenhouse gas
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Source sentences:
text: Water vapor is the most potent greenhouse gas owing to the presence of the hydroxyl bond which strongly absorbs in the infra-red region of the light spectrum.
text: The skeptical argument thus goes something like this: Since water vapor is the most potent greenhouse gas, and since this vapor is created through natural evaporation rather than human activity, the current warming trend is nothing to worry about—just the Earth going through a normal climatic cycle.