Which of the following is not a way that seismic waves travel in the earth?
A) reflection
B) diffusion
C) diffraction
D) refraction
Answer: B) diffusion
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People choose to live in hazardous areas for a variety of reasons. Which is the LEAST likely reason why a person in a developing country would decide to live in a hazardous area?
a. ?More attractive scenery is usually found at hazardous areas b. ?Less hazardous areas are unaffordable or unavailable. c. ?The location has access to clean water. d. ?The location has access to fertile land. e. ?The person does not know the history of potential hazards.
A stream becomes graded when
A) its basin becomes rejuvenated. B) a local base level controls the stream. C) a river achieves a longitudinal stream profile of a steeper upstream portion. D) erosion and deposition are in equilibrium.
Chinook winds and Santa Ana winds are ________.
A. cold and humid B. cold and dry C. warm and supersaturated D. warm and dry E. warm and humid
A Secchi disk is used to measure water ________
A) acidy B) density C) salinity D) temperature E) transparency