读下图回答问题小题1下列有关地球外部圈层的说法不正确的是 A.大气圈的主要成分是氮和氧b.水圈是连续但不规则的圈层c.生物圈是 Template




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tomski读下图回答问题小题1下列有关地球外部圈层的说法不正确的是 a.大气圈的主要成分是氮和氧b.水圈是连续但不规则的圈层c.生物圈是 coloring