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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: locogringo who wrote (931132)	4/19/2016 3:54:41 PM
From: Wharf Rat	Read Replies (1) \| Respond to of 1573042

"What is your best guess what the glacier is doing?" In this century, and most of the last? Melting and retreating. Maybe you should what's happening at the bottom, not the top. = What are the components of a glacier? Glaciers are dynamic, and several elements contribute to glacier formation and growth. Snow falls in the accumulation area, usually the part of the glacier with the highest elevation, adding to the glacier's mass. As the snow slowly accumulates and turns to ice, and the glacier increases in weight, the weight begins to deform the ice, forcing the glacier to flow downhill. Further down the glacier, usually at a lower altitude, is the ablation area, where most of the melting and evaporation occur. Between these two areas a balance is reached, where snowfall equals snowmelt, and the glacier is in equilibrium. Whenever this equilibrium is disturbed, either by increased snowfall or by excessive melting, the glacier either advances or retreats at more than its normal pace. nsidc.org