|
 Under
the enormous pressures and cold temperatures at the bottom of the ocean,
methane gas dissolves. The molecules of methane become locked in a cage
of water molecules to form crystals. These crystals look like ice, and
they cement together the ocean sediments. In some places a solid layer
of crystals—called methane hydrate—extends from the sea floor down
hundreds of meters.
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Last Updated:
08/08/2008,
12:29:32 PM
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