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Q: The tidal mouth of a river where fresh and saline water get mixed is known as a/an ––––.
  • A. Gorge
  • B. Estuary
  • C. Archipelago
  • D. Fold
Correct Answer: Option B - The tidal Mouth of a river where fresh water from rivers and saline water from ocean gets mixed is known as estuary. Gorge – It is a deep and narrow valley with very steep sides. A river passes through gorge in mountains. Archipelago – It is a group of islands.
B. The tidal Mouth of a river where fresh water from rivers and saline water from ocean gets mixed is known as estuary. Gorge – It is a deep and narrow valley with very steep sides. A river passes through gorge in mountains. Archipelago – It is a group of islands.

Explanations:

The tidal Mouth of a river where fresh water from rivers and saline water from ocean gets mixed is known as estuary. Gorge – It is a deep and narrow valley with very steep sides. A river passes through gorge in mountains. Archipelago – It is a group of islands.