The slope of a water table is also called the
A. groundwater gradient.
B. groundwater divide.
C. hydraulic gradient.
D. aquifer divide.
Answer: C
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Which of the following has a wavelength shorter than that of violet light?
A. red light B. green light C. blue light D. ultraviolet radiation
The outer core
A. is solid as a rock. B. has a plastic-like flow. C. spins, which produces Earth's magnetic field. D. transmits S-waves.
What is not true of a mixture?
a. A mixture is different substances closely intermingled. b. A mixture is able to maintain separate properties. c. A mixture is able to disperse homogenously. d. A mixture may have varying concentrations and properties throughout.
Where is there no deep scattering layer present?
A) Temperate oceans B) Tropical oceans C) Arctic oceans D) All oceans have a deep scattering layer