how are beaches and sand dunes formed
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A beach along a coast is formed by the build up of tiny pieces of rock. Rocks that fall into the sea are tossed around and broken down by waves into shingle (small pebbles) and sand. ... On some beaches, wind blows off the sea and rolls dry sand inland, creating hills of sand called sand dunes.
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Answer:
A beach along a coast is formed by the build up of tiny pieces of rock. Rocks that fall into the sea are tossed around and broken down by waves into shingle (small pebbles) and sand. ... On some beaches, wind blows off the sea and rolls dry sand inland, creating hills of sand called sand dunes.
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