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xin zhi
Author(s): 
Pages: 39
Year: Issue:  10
Journal: Required Reading for Junior Middle School Students

Keyword:  恐龙灭绝天然沥青沥青湖太空望远镜哈勃机器鱼绿色技术温突泰国研究植物根部;
Abstract: <正>沥青湖中有生物特立尼达和多巴哥的天然沥青湖中,没有氧气,也几乎没有水。在这充满毒气的、地狱般的环境中,却隐藏着数以百万计的微生物。恒星吞行星"哈勃"太空望远镜发现银河系一颗行星正在被一颗恒星吞食,这颗行星一直是围绕这颗恒星运行的。恐龙灭绝于气温骤降有科学家称,恐龙灭绝缘于气温突降,而非小行星撞击地球。藻类变燃料美国开发出生产生物燃
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