PURE AIR Crossword Clue
PURE AIR Crossword Clue
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Crossword Puzzle Infos
Pure air is a term used to describe air that is free from pollutants and other contaminants. OZONE, which is composed of three oxygen atoms, is a naturally occurring gas in the Earth's atmosphere that helps to filter out harmful ultraviolet radiation from the sun. OZONE also helps to keep the air clean by reacting with pollutants and other airborne particles, thus purifying the air.