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Aquatic and air Sports (797)

absorption actions altitude amounts ancient aquatic aspect athletes atmosphere atmospheric bahasa billion boundary carbon chemical circulation cite climate commons competitor composition content decrease defined density dictionary dioxide dry emission emit energy event evolution exosphere extends features football gaelic games gas gases global golf greenhouse gymnastics height highest increases infrared intergovernmental jump layer media mesopause mesosphere methane mixing molecule national navigation nitrogen object olympic optical origin oxygen ozone panel particles performance physical played politics pollution portal ppmv professional properties radiation refractive retrieved roughly rule scattered scattering science sea search skill solar source spectator sport sporting sports sportsmanship stratosphere structure technology television thermosphere thickness trace troposphere vapor varies visible water wavelengths

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