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Glacier - Climate Change (23/49)

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The snow core is carefully examined to find the exact division between the snow from last year and the snow from the year before. Tiny grains of sand are often found on these divisions. The summer snow from the year before is also coarser.
The snow core is carefully examined to find the exact division between the snow from last year and the snow from the year before. Tiny grains of sand are often found on these divisions. The summer snow from the year before is also coarser.
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