| http://www.w3.org/ns/prov#value | - in which snow is converted into glacial ice involves compaction and rearrangement of snow crystals. there is a process that goes on as each layer of snow is added year by year-- he is residual snow from the previous winter-- it compacts under the weight of new snowfall. and as that compaction takes place, the snow crystals are pressed closer together. the air in the original snowpack is generally
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