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nitrogen monoxide
Nitrogen monoxide is a cause of air pollution.
Synonym of 亜酸化窒素 (asanka chisso, “nitrous oxide”); dinitrogen monoxide
Nitrous oxide is one cause of air pollution.
carbon monoxide
Carbon monoxide is a colorless, odorless gas, and it is dangerous to inhale.
air pollution
Air pollution is having a serious impact on the health of the planet.
one cause / reason (of many)
His stress is one cause of his health problems.
an atmosphere
The atmosphere of this planet is harmful to humans.
nitrogen
Nitrogen makes up about 78% of the Earth's atmosphere.
Air Pollution Control Law
Based on the Air Pollution Control Law, factories must strengthen the management of exhaust gases.
pollution; contamination
The pollution in this area has become a serious problem.
(meteorology) an atmosphere (gases surrounding an astronomical body)
He is dedicated to the study of the atmosphere.
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