What are some possible consequences of modifications to the groundwater system caused by human usage?
Possible consequences include lowering of the groundwater table, loss of water pressure, ground subsidence, saltwater encroachment or intrusion, and contamination.
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An oceanic transform plate boundary is most likely associated with a(n)
A) oceanic trench. B) mountain belt or island arc. C) midocean ridge. D) All of these are correct.
Which moraine marks the furthest extent of glacial ice?
A) Lateral moraine B) Medial moraine C) Recessional moraine D) Terminal moraine
In the interior of continents the earth's crust is typically about 40 km thick and the elevation is near sea level. In the Himalayas the crust is more than 60km thick
Isostasy says crust thicker than this average should produce elevated terrain (mountains), so why isn't the elevation of the Himalayas 20km?
What are some uses of magnetic reversals?
A. calculating rates of seafloor spreading B. studying magnetic stripes on the seafloor C. matching the patterns of reversals in a rock sequence to the magnetic timescale D. All of these choices are correct.