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oxygen
Definição1
A colorless, odorless, tasteless, gaseous chemical element that makes up about 21% of the earth's atmosphere. Oxygen's symbol is O, its atomic number is 8, and its bines chemically with all other elements except the inert gases. Oxygen is absolutely necessary to support human and animal life.
Fonte1
CRANE, Dale (ed.). Dictionary of aeronautical terms. 2nd ed. Renton: ASA, 1991.
Português
oxigênio
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