If the following sand grain minerals were mixed together, which one would get deposited on a beach most often because of its density?
A) basalt
B) calcite
C) quartz
D) feldspar
Answer: A
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Gold is removed from the rock that contains it by a series of leaching operations that all involve the use of
a. sulfuric acid b. nitric acid c. arsenic d. highly toxic cyanide salts e. mercury
Dark-light couplets of sedimentary layers that represent yearly deposits in a glacial lake are called
____________________. Fill in the blank(s) with the appropriate word(s).
What are the methods that can correlate the strata at one location and the strata at another?
a. Lithologic correlation method b. Fossil correlation method c. Structure correlation method d. Geologic Time correlation method e. Both a and b
The amount of incoming solar energy received at the Earth's surface changes with latitude for which of the following reasons?
a. The curvature of the Earth changes the directness of the Sun angle. b. The rotation of the Earth changes the latitude of locations. c. The north-south change in the location of the circle of illumination changes over the course of 24 hours. d. The distance on the Earth's surface changes with latitude.