Which of the below given are conditions that favour the formation of deltas 1 Shallow sea adjoining ...........

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Which of the below given are conditions that favour the formation of deltas?

1. Shallow sea, adjoining the delta.

2. Strong current at the river mouth which leads to formation of tides.

3. Active vertical and lateral erosion in the lower course of the river to supply large amount of sediments.

Choose the correct answer from the code below:

1 only

3 only

2&3 only

1&2 only

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Explanation:

The following conditions favour the formation of deltas:
1. active vertical and lateral erosion in the upper course of the river to supply large amount of sediments;
2. tideless, sheltered coast;
3. shallow sea, adjoining the delta;
4. no strong current at the river mouth which may wash away the sediments.