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PUBLIC MARKS from chart with tags there & surface

21 January 2007 17:15

Ground water, Water Science for Schools

Here is a simplified diagram showing how the ground is saturated below the water table (the purple area). The ground above the water table (the pink area) may be wet to a certain degree, but it does not stay saturated. The dirt and rock in this unsatu

21 January 2007 16:00

Does water STILL flow on Mars? | the Daily Mail

Does water still flow on Mars? These dramatic new photos seem to indicate yes

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