Which of the following minerals is not a ferromagnesian mineral?
A) Olivine
B) Potassium feldspar
C) Pyroxene
D) Biotite mica
Answer: B
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Which physiographic region is both geologically ancient and rich in minerals
A. Canadian Shield B. Hudson Bay Lowlands C. Great Plains D. Volcanic Islands
X-rays are not used to study the geology of Earth. Why?
A) X-rays only penetrate living flesh. B) Mineral matter is not transparent to X-rays. C) X-rays do not extend to required distances of study. D) X-rays do not produce three-dimensional images.
Which of the following statements about taxol is false?
A) About 1 gram can be obtained from a 100 year old tree. B) It is effective in treating certain ovarian and breast cancers. C) Taxol synthesized in the laboratory is identical to naturally obtained taxol. D) Bone, all of the above are true.
A species in imminent danger of extinction is classified by the U.S. Endangered Species Act as
A. Valuable B. Vulnerable C. Threatened D. At risk E. Endangered