首页 > Term: edad de la Tierra
edad de la Tierra
4. 55 billion years. Formed by particles of gas and denser materials once ejected from exploding supernovae and gradually pulled together by gravity.
- 词性： noun
- 行业/领域： 生物学
- 类别 生态学
- Company: Terrapsych.com
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创建者
- linaza
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(V.I.P) 13250 分数 - 100% positive feedback
(Valladolid, Mexico)
