Arcuate deltas are the most common type of deltas example being Ganga delta Rhine delta Nile delta e...........

Geography India - Water bodies

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Arcuate deltas are the most common type of deltas, example being Ganga delta, Rhine

delta, Nile delta etc.

Consider the following statements regarding this type of delta.

1) It is formed when river water is denser than sea water.

2) It is formed when river water is as dense as sea water.

3) It is known as growing delta.

Choose the correct statement/s from the following codes.

1 only

2 only

1&3 only

2&3 only

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Explanation:

It is known as growing delta because the sedimentation from the river grows towards the
sea every year. Delta formed when river water is denser than sea water is known as
estuarine. Ex: Narmada River which flows westwards and joins Arabian sea and forms
estuary. Bird-Foot delta is formed when the river water is less dense than the sea water. Ex:
Mississippi delta.