When a wave steepens until it collapses it becomes a ________
A) wave of oscillation
B) breaker
C) swell
D) forced wave
E) wave of translation
Answer: B
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Which of the following best describes the appearance and composition of a conglomerate?
A) Angular fragments; well sorted B) Rounded fragments; poorly sorted C) Angular fragments; poorly sorted D) Rounded fragments; well sorted
Which of the following statements best describes the relationship between the topography of a region and the underlying structural geology?
A) Upfolds in the rock will make mountains and downfolds will make valleys. B) Downfolds in the rock will make mountains and upfolds will make valleys. C) There is no relationship between structures and topography.
Catastrophic subsidence into sinkholes tends to occur more often in areas underlain by ________.
A. basic freshwater flowing through sandstone B. basic saltwater flowing through sandstone C. basic freshwater flowing through limestone D. acidic freshwater flowing through limestone E. acidic saltwater flowing through sandstone
What is an important consequence of physical weathering?
A. It destroys harmful bacteria. B. It increases surface area, exposing more of the rock to chemical reactions. C. It removes toxic heavy metals. D. It purifies groundwater.