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海岸线曲折港湾多岛屿密布的原因
更新时间: 2021-05-22 08:40:57  

1、原因

地步,地壳变迁。

2、地处(南极洲板块与美洲)交界地带,地壳运动活跃,岩石断裂发育,易受侵蚀;安第斯山脉西坡为西风的迎风坡,多地形雨,多冰川侵蚀和流水侵蚀;地处西风带,沿岸风大浪大,海水侵蚀作用强。

关键词: 海岸线 曲折 港湾 岛屿 密布 原因

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