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Consider the following statements about estuarine coasts. 
1. In submerged lowlands, the mouths of rivers are drowned so that funnel-shaped estuaries are formed 
2. If their entrances are not silted by moving sand-banks, they make excellent sites for ports 
Which of these statements are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    Both of them
  • d)
    Neither of them
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Consider the following statements about estuarine coasts. 1. In subme...
Estuarine coasts: In submerged lowlands, rivers' mouths are drowned so that funnel-shaped estuaries are formed. 
  • If their entrances are not silted by moving sand-banks, they make excellent sites for ports, e.g. the estuaries of the Thames, Elbe and Plate are the sites of such great seaports as London, Hamburg and Buenos Aires. 
  • Tidal effects further enhance the ports' value and even when there is a little silting, modern dredges help keep the ports open all the time.
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Most Upvoted Answer
Consider the following statements about estuarine coasts. 1. In subme...

1. Funnel-shaped estuaries in submerged lowlands:
- The statement is correct. In submerged lowlands, the mouths of rivers are drowned due to the rising sea levels, leading to the formation of funnel-shaped estuaries.
- Estuaries are partially enclosed coastal bodies of water where rivers meet the sea, characterized by brackish water and a diverse ecosystem.

2. Excellent sites for ports if not silted:
- This statement is also correct. Estuaries make excellent sites for ports due to their sheltered nature and relatively calm waters.
- However, if the entrances of estuaries are silted by moving sand-banks, it can hinder navigation for ships entering and exiting the port.

Therefore, both statements are correct. Estuarine coasts with funnel-shaped estuaries in submerged lowlands can indeed make excellent sites for ports, provided that their entrances are not obstructed by silt.
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Consider the following statements about estuarine coasts. 1. In submerged lowlands, the mouths of rivers are drowned so that funnel-shaped estuaries are formed 2. If their entrances are not silted by moving sand-banks, they make excellent sites for ports Which of these statements are correct?a) 1 onlyb) 2 onlyc) Both of themd) Neither of themCorrect answer is option 'C'. Can you explain this answer?
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