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21世纪地球平均温度上升多少度
更新时间: 2020-11-04 00:00:00  

21世纪地球平均温度上升1.4到5.8度,到2050年,我国平均气温将上升2.2℃。人类生产活动中排放大量大量二氧化碳及甲烷、氧化氮等气体,使得大气层像温室一样吸收更多的热,使温度升高。

关键词: 世纪 地球 平均 温度 上升 多少

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