If dams were constructed on all the streams leading to a shoreline all of the following would be
expected to happen to the coast except?
a. Beaches would get smaller or even disappear.
b. Coastal erosion would increase.
c. Sand bars and spits would decrease in size.
d. Barrier islands would retreat and decrease in size.
e. An increase in the number of tsunamis
E
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More than half of the animal species, marine and terrestrial, are not considered to be free-living
a. True b. False
Which of the following is not a necessary condition needed for the growth of coral?
A) Warm water B) Saltwater C) The presence of tiny marine animals D) Shallow water E) The presence of an underwater volcano
Which of the following contributes the most as a greenhouse gas?
A) Oxygen levels in the air B) Water vapor levels in the air C) Nitrogen levels in the air D) The amount of pollutants in ocean water
Which country experienced rapid industrialization and economic growth between 1990 and 2010, thus reducing the number of people living in extreme poverty by almost 500 million?
A. India B. Bangladesh C. China D. Egypt E. Thailand