Scientists Speculate that the amount of radon increases in the ground when rocks layers shift, Exposing new rock, and thus more radon.
科学家们认为，当岩层移动时，地下氡的的含量就会增加；有新岩层露出时。氡气量会增加更多。
Scientists speculate that the amount of radon increases in the ground when rocks layers shift., exposing new rock, and thus more radon.
科学家推测当岩层移位时，新岩石露出，产生更多的氡，这样地层中的氡的数量就增加了。
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