下图是绿色植物在生物圈二氧化碳和氧气平衡中的作用 分析回答 1生物圈中氧气的主要来源是植物的 2大气中二氧化碳主要来源是从动 Template




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tomski下图是绿色植物在生物圈二氧化碳和氧气平衡中的作用 分析回答 1生物圈中氧气的主要来源是植物的 coloring