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Author Question: Fringing reefs are separated from land by a lagoon. Indicate whether the statement is true or ... (Read 177 times)

cabate

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on: Aug 22, 2018
Fringing reefs are separated from land by a lagoon. Indicate whether the statement is true or false.

Question 2

Deltas are present at every river mouth that brings sediment to a broad continental shelf. Indicate whether the statement is true or false.


jliusyl

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Reply #1 on: Aug 22, 2018
Answer to Question 1

ANS: F
Fringing reefs cling to the margins of land. They form in areas of low rainfall runoff. These reefs
connect to the shore very close to the water's surface especially on newer tropical islands. Information
can be found in the section Biological Activity Forms and Modifies Coasts



Answer to Question 2

ANS: F
Deltas do not form at every river mouth that carries sediment. They do need a broad continental shelf,
but there are other factors as well. Tidal ranges are usually low while waves and currents are mild.
Information can be found in the section Larger-Scale Features Accumulate on Depositional Coasts.



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