大气中二氧化碳的含量增多会产生温室效应导致全球变暖若继续增加二氧化碳的含量后果不堪设想.1空气中二氧化碳的主要来源是化石燃料的燃烧 Template




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tomski大气中二氧化碳的含量增多会产生温室效应导致全球变暖若继续增加二氧化碳的含量后果不堪设想.1空气中二氧化碳的主要来源是化石燃料的燃烧 coloring