What is usually the highest point on a beach?
a. Backshore
b. Berm crest
c. Beach scarp
d. Longshore bars
ANS: B
The berm crest is the peak on the highest peak on the berm. It correlates to the shoreward limit of wave
activity during recent high tides. Information can be found in the section Beaches Dominate
Depositional Coasts.
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The underground depth where rock and sediment are completely saturated with water is referred to as the ________
A) unconfined aquifer B) recharge zone C) discharge zone D) confined aquifer E) water table
Coral polyps secrete solid masses of rocklike material. The primary chemical composition of this material is
A. calcium fluorite. B. calcium silicate. C. calcium carbonate. D. carbon dioxide. E. quartzite.
What do climatologists NOT expect to see now that Earth's climate system has been pushed to a higher energy level?
A. less record lows B. more intense storms C. changing precipitation patterns D. the warming trend to reverse in the near future E. more record highs
The sandy barrier islands, characteristic of the U.S. Atlantic and Gulf coasts, are as long as ________
A) 1 kilometer (0.6 mile) B) 10 kilometers (6 miles) C) 50 kilometers (30 miles) D) 500 kilometers (300 miles) E) 1,000 kilometers (600 miles)