Which of the following materials probably has the highest permeability?

A. highly porous volcanic rock with holes that are isolated from one another
B. compacted clays with moderate porosity
C. granite with sparse fractures that are filled with insoluble material
D. highly fractured granite


Answer: D

Environmental & Atmospheric Sciences

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The theory of plate tectonics states that

A. buoyant lithospheric plates float on top of the rigid asthenosphere. B. the lithosphere is broken up into several plates that move about as a result of convective motion in the asthenosphere. C. earthquakes and volcanic activity result from convection motion in the lithosphere. D. the plates move in conveyor-belt fashion as new crust is generated at the continental margins and destroyed at the midocean ridges.

Environmental & Atmospheric Sciences

0715 UTC Convert the following time from UTC to the indicated U.S. time zones:

Environmental & Atmospheric Sciences

The distribution of benthic biomass is related to ________

A) current patterns B) primary productivity C) sediment variety D) thermocline depth E) wave energy

Environmental & Atmospheric Sciences

Crater Lake in southern Oregon is an example of a caldera

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences