Multiple choice

What is an Isthmus?

  1. It is a circular or horse-shoe shaped coral reef surrounding a lagoon either having an island or submerged plateau in it.

  2. It is a narrow passage of water connecting two seas or two large areas of water.

  3. It is a narrow strip of land joining two large areas of land that would otherwise be separated by water.

  4. It is a shallow stretch of water separated completely or partly from the sea by a narrow strip of land.
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C Correct answer
Explanation

Isthmus

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