Why are erosional coasts prone to become smooth and straight shorelines?
a. Wave refraction
b. Wave energy focuses on headlands
c. Sediments begin to collect at beaches
d. All of these choices
ANS: D
Eventually sediments may act as protection at the base of sea cliffs. The straightening of erosional
coasts occurs the fastest at high-energy coasts. Information can be found in the section Erosional
Processes Dominate Some Coasts.
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How many Free Trade Zones were there in the Dominican Republic?
A) 15 B) 50 C) 10 D) 20 E) 5
Fossils are useful in the study of historical geology for determining relative ages of strata,
depositional environments, and evidence for evolution. Indicate whether the statement is true or false.
In 3½ hours a car moving at 40 miles per hour will travel _____________ miles.
Fill in the blank(s) with the appropriate word(s).
Biomass
What will be an ideal response?