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东北林区大兴安岭多针叶林,小兴安岭和长白山地多混交林,造成这种差异的主要原因是A
东北林区大兴安岭多针叶林,小兴安岭和长白山地多混交林,造成这种差异的主要原因是A
发布时间:2020-07-13 17:21:58
东北林区大兴安岭多针叶林,小兴安岭和长白山地多混交林,造成这种差异的主要原因是A.降水东丰西歉、北多南少的结果B.纬度高低不同,热量北少南多的结果C.人工营林树种不同造成的D.开发历史长短和生产方式不同造成的
网友回答
B解析由于所处纬度不同,所获热量存在差异,导致东北林区北部多针叶林,南部多混交林。
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