All of rocks on earth are connected through the rock cycle.
所有的岩石在地球上是连接通过岩石的循环.
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Rocks & the rock cycle, plate tectonics and earth's atmosphere.
岩石以及演变, 地表板块构造论、地球上的大气.
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Describe the rock cycle and the changes that a rock may undergo.
描述岩石周期和变化,坚如磐石,可以接受.
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