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← GeographyWhich coastline transformation occurs with high sediment longshore drift?
A)Formation of Tombolo land bridge✓
B)Increased submerged cave collapses
C)Steeper nearshore gradient increase
D)Higher dissolved oxygen saturation
💡 Explanation
Tombolo formation results from longshore drift depositing sediment between an island and the mainland, because sediment accumulation builds a connecting land bridge; therefore, tombolos form with ample sediment, rather than cave collapses or oxygen changes.
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