如果绿色植物被大量砍伐，大气中的二氧化碳就会急剧增加，并能引

如果绿色植物被大量砍伐，大气中的二氧化碳就会急剧增加，并能引起温室效应，使地球环境不断恶化。这说明绿色植物能（）

A．调节碳－氧平衡 B．过滤空气尘埃 C．降低环境噪声 D．涵养土壤水源

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如果绿色植物被大量砍伐，大气中的二氧化碳就会急剧增加，并能引

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