Wave base is:
a. the level of a wave trough.
b. the level of a wave crest.
c. one half the wavelength.
d. twice the wave period.
e. sea level.
C
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An example using a genetic classification of minerals is
A) The Metamorphic Minerals. B) The Mohs Hardness Minerals. C) The Silicate Structures. D) The Rock Forming Minerals.
Seismic activity serves as a tool of volcanic forecasting because
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What electronegativity difference is associated with a nonpolar covalent bond?
A) exactly 0 B) less than 0.5 C) between 0.5 and 1.9 D) greater than 1.9