What would happen if a new shipping channel was cut through a barrier island on the east coast of the
U.S. and lined with jetties where there is a strong southward longshore current?
a. The shoreline on the north side would widen seaward, and the one on the south would
erode and retreat landward.
b. The shoreline on the south side would widen, and the one on the north would erode and
retreat landward.
c. Both shorelines would retreat.
d. Neither shoreline would retreat.
e. All of the barrier islands would disappear because of erosion.
A
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Correctly identify the following functional groups in this organic molecule-amide, ester, ketone, ether, alcohol, aldehyde, amine.
A. 1 = ether, 3 = ester, 6 = aldehyde, 9 = alcohol B. 1 = ester, 5 = alcohol, 8 = ether, 9 = ketone C. 2 = amide, 6 = aldehyde, 7 = amine, 8 = ether D. 2 = amide, 4 = ester, 7 = amine, 8 = ether
Answer the following statement(s) true (T) or false (F)
1. Canada's provinces have less autonomy than do U.S. states. 2. Today the eastern mountains have thin soils on steep slopes. 3. A greater range of natural hazards than in any other country in the world marks the natural environments of the United States. 4. A major growth in manufacturing occurred after the 1860s with the adoption of steel production. 5. The region called the America South includes all of Texas in the west and Florida in the east.
Portland, Oregon, is a U.S. city that has taken major steps toward a more livable and sustainable urban experience, including
A) curtailing automobile use and creating an urban development boundary surrounding the city. B) banning automobiles within the city limits and providing bicycles to residents. C) razing its slums and replacing them with upscale apartments and shopping centers. D) relaxing air quality standards to encourage inner city industry.
Which of the following is NOT a factor contributing to sea-level rise?
A) Thermal expansion of seawater B) Melting of ice sheets C) Melting of glaciers D) Melting of sea ice