kiseonik

kiseonik

An element with atomic number 8; symbol: O. It is actually the most common element in the crusts and mantles of the inner planets and rocky moons, making up all silicate minerals. Along with hydrogen, carbon, and nitrogen, oxygen is essential to life.

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行业/领域：天文学
类别行星科学
Company: PSRD
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sonjap

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行业/领域：水果和蔬菜类别根菜类

rotkva

Annual or biennial plant (Raphanus sativus) of the mustard family, probably of Oriental origin, grown for its large, succulent root. Low in calories ...