Which of the following minerals contain independent silicon-oxygen tetrahedra in its lattice structure?
a) amphibole
b) feldspar
c) olivine
d) pyroxene
e) mica (biotite, muscovite, etc.)
Ans: c) olivine
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A. A new form of chemical insecticide waiting approval by the EPA B. A strong herbicide C. A species-specific chemical sex attractant D. A chemical that travels in the bloodstream and controls an organism's growth and development E. A safe, natural pesticide
The Trellis drainage pattern shown below develops ________.
a. in areas of relatively uniform surface b. materials on highly jointed bedrock c. on isolated volcanic cones or domes d. in areas of alternating weak and resistant bedrock e. in areas of folded and fractured domes
Sound waves can interfere with one another so that no sound is heard.
A. True B. False C. Almost, but not quite. D. none of the above
Karst features like caves and sinkholes are an example of ________ porosity
A) primary B) secondary C) superior D) restricted