Name and draw one example for each of the following types of tetrahedra: isolated tetrahedra, single
chain tetrahedra, double chain tetrahedra, sheet tetrahedra, and framework tetrahedra What will be an ideal response?
Olivine, pyroxene, amphibole, biotite/muscovite/mica/clay, quartz/feldspar.
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Possible consequences of excessive groundwater withdrawal include
A. increased permeability of aquifer rocks. B. surface subsidence. C. swelling of aquifer rocks. D. All of the choices are correct.
Discuss biologists’ definition of “species.” What does this definition imply? Give an example of a species and discuss
binomial species names. What will be an ideal response?
Using Figure 15.24 in your textbook, what was the overall elevation change of Mount St. Helens' peak as a result of the 1980 eruption?
A) a decrease of 400 m B) a decrease of 900 m C) it stayed the same D) an increase of 100 m
The permeability of an igneous rock can be increased by
A) sorting. B) cementation. C) fracturing. D) metamorphism.