Assertion: water vapor | /r/HasProperty | ~10 hpa
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Source sentences:
text: The atmospheric pressure, usually around 1000 hPa, is the total of the partial gas pressure of nitrogen (~775 hPa), oxygen (~205 hPa), water vapor (~10 hPa), argon (~10 hPa) carbon dioxide (~0.4 hPa) and a number of other gases with lower partial pressures.