Why may deposition be less in an estuary than in a delta?
Answer and explanation
Correct answer: Because tides and currents can carry sediment away
An estuary is a tidal river mouth where freshwater mixes with seawater. Strong tidal currents and waves repeatedly move and redistribute the sediment brought by the river, carrying much of it offshore or along the coast. This prevents large quantities from accumulating at the mouth, unlike a delta where deposition commonly exceeds marine removal. Therefore option D is correct; the other explanations are factually unsuitable.
Frequently asked questions
What is the correct answer to this question?
Because tides and currents can carry sediment away
Why is this the correct answer?
An estuary is a tidal river mouth where freshwater mixes with seawater. Strong tidal currents and waves repeatedly move and redistribute the sediment brought by the river, carrying much of it offshore or along the coast. This prevents large quantities from accumulating at the mouth, unlike a delta where deposition commonly exceeds marine removal. Therefore option D is correct; the other explanations are factually unsuitable.
Which subject and chapter does this question cover?
This is a Class 11 Accountancy question. Chapter: Recording of Transactions (I & II). Topic: Covers the accounting equation.
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