How is beaches formed?
a. Separation of sea from land
b. Deposit of sediments by sea waves
c. Deposit of volcano
d. None of these
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Answer:
A beach forms when waves deposit sand and gravel along the shoreline. and pebbles. Over time they are worn smooth from being rolled around by waves. The rocks usually reflect the local geology.
Explanation:
Answer is (b)
Beaches are made up from eroded material that has been transported from elsewhere and then deposited by the sea. For this to occur, waves must have limited energy, so beaches often form in sheltered areas like bays . Constructive waves build up beaches as they have a strong swash and a weak backwash .
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