Assertion: nitrogen dioxide's gas | /r/HasProperty | oxygen
Facets:
Source sentences:
text: Description Oxides of nitrogen are a mixture of gases that are composed of nitrogen and oxygen.
text: Nitrogen oxides are a group of seven gases and compounds composed of nitrogen and oxygen, sometimes collectively known as NOx gases.
text: Nitrogen oxides are a mixture of gases that are composed of nitrogen and oxygen.
text: Nitrogen Oxides Nitrogen oxides are a group of seven gases and compounds composed of nitrogen and oxygen, sometimes collectively known as NOx gases.
text: Nitrogen oxides are a mixture of gases that are composed of nitrogen and oxygen.