If light enters a transparent medium at a right angle (perpendicular), what change occurs to the light?
A) Only its direction is changed. B) Only its velocity is changed.
C) Both its direction and velocity are altered. D) It is reflected rather than entering the medium.
B
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How do salinometers measure salinity?
a. It measures the number of salt molecules in a set mass of seawater. b. It calculates the salinity based on the density of the seawater. c. It measures the electrical conductivity of seawater samples. d. It calculates the salinity by measuring the chlorinity.
Plastic deformation results in
A) a return to the original shape of the rock once the pressure is released B) fractures, such as joints and faults C) permanent change in shape of the rocks D) increased rock temperature and, thus, increased metamorphism
________ are low ridges of flood deposited sediment that form on either side of a stream channel and thin away from the channel.
A. Incised meanders B. Deltas C. Oxbow lakes D. Point bars E. Natural levees
________ is the detachment of part of the mantle portion of the lithosphere beneath a mountain belt.
A. Isostatic adjustment B. Craton formation C. Mantle convection D. Delamination E. Terrane shift