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サマリー
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あらすじ・解説
Today will be talking about sinkholes so lets find what sinkholes are. Sinkholes is the development of a depression in the ground caused by collapsing earth below the hole.Sinkholes can happen in many different ways but a major causes sinkholes is caused by karst processes which is the chemical dissolution of carbonate rocks that slowly erode them away leading to the development of a depression in the ground.