- Theatomicicebreakerreevedtheicebergs.Someicebergsrisehundredsoffeetoutofthewater.Ifbothgroupsofrockshadbeencarriedbyicebergs,theicebergsmusthavebeenremarkablysimilar.Someicebergs,however,driftnorthtowarmerclimatesanddisintegrate.Sometimesknownasicebe...
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