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drelog drelog
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8 years ago
Why would sand be deposited behind a small island to form a spit or tombolo?
A) The island protects the coast from rip currents, preserving the sand.
B) The onshore current from one direction piles up sand here.
C) Waves refract around the island and the wave energy is dissipated on the island, allowing quiescent water behind, and sand drift to accumulate behind the island.
D) The tidal affects are trivial behind the island, so the sand is not swept away.
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Earth Science

Earth Science


Edition: 14th
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PulsaPulsa
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8 years ago
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drelog Author
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8 years ago
Everything checks out, respect
ןnɟʎoɾ sʎɐʍן∀ Slight Smile
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#3
3 years ago
Thank you
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