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Which one of the following is tide dominated delta ?

  • A.Ganga-Brahmaputra
  • B.Mississippi
  • C.Rhone
  • D.Sao Francisco

Answer: A

The tide-dominated delta is the Ganga-Brahmaputra.

Deltas are classed as river-, wave- or tide-dominated according to the process that shapes them. The Ganga-Brahmaputra delta faces a large tidal range in the Bay of Bengal, and tidal currents have cut its seaward part into many funnel-shaped channels separated by elongated islands, as in the Sundarbans, the typical form of a tide-dominated delta.

The Mississippi is the standard river-dominated (bird's-foot) delta, while the Rhone and the Sao Francisco are wave-dominated deltas with smooth, cuspate shorelines.

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