Caprocks are ____
a. rock layers that form the top of mesas and buttes
b. hardened crusts that form the surface of playas
c. hat-shaped rocks on top of thin, rock pedestals
d. wind-deposited landforms
a
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The Ogallala Aquifer is a source of
A. minerals. B. magma. C. freshwater. D. salt water.
For the following reaction, identify whether the compound in bold is behaving as an acid or a base. H3PO4 + H2O ? H2PO4- + H3O+
A. acid B. base C. neither D. both E. none of the above
This model was developed to explain the opening and closing (creation and destruction) of oceanbasins:a
phylogeny d. Grenville orogeny b. parallel evolution e. Wilson Cycle c. Ediacaran fauna
In Hurricane Katrina, the storm came ashore heading almost due north and the eye passed between the towns of Slidell, Louisiana and Waveland, Mississippi
Slidell, LA suffered heavy flooding and moderate wind damage while Waveland, MS was totally destroyed without a single building standing within 200m of the coastline. Both cities experienced the eyewall of the storm where the winds are strongest, so why was the destruction so different? A) Waveland must have been at a lower elevation than Slidell. B) Waveland caught the right front quadrant of the storm, with maximum storm surge and wind. C) Slidell was just lucky and experienced a temporary lull in the storm. D) Slidell must be a sheltered coastline, or protected behind a levee system.