Which of the following physical properties is not a reliable guide to mineral identification in hand specimens?
A. streak
B. hardness
C. color
D. cleavage
Answer: C
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Which of these is NOT a significant factor in the role played by particles or dust in the atmosphere?
A) absorption of sunlight B) reflection of sunlight C) ozone production D) cloud formation
Resource partitioning is one solution to the problems associated with ecological succession.
Answer the following statement true (T) or false (F)
Based on the photographs of La Conchita, California, what type of slope failure occurred?
A) Rock avalanche B) Debris flow C) Creep D) Rock fall E) Earth flow
If a ray of light strikes a perfect mirror at an angle of 45 degrees, the angle of reflection will be
A) different then the angle of incidence. B) dependent upon the materials composing the mirror. C) 90 degrees. D) 45 degrees. E) 270 degrees.