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“雪球地球”时期的生物是如何存活的？
source link: https://tech.sina.com.cn/d/c/2019-12-30/doc-iihnzahk0842451.shtml
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新浪科技讯北京时间12月30日消息，据国外媒体报道，随着温室气体排放量不断增加、地球持续升温，全球气候越来越接近远古时期的地球气候。这引发了科学家对地球气候史的关注，尤其是诸如上新世这类比较温暖的时期。科学家认为，我们眼下正在朝上新世时期的
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