Coastline formed by a drowned river mouth is a
A
Fjord
B
Dalmatian
C
Ria
D
Haff
Correct Answer: Ria
Coastline formed by a drowned river mouth is a Ria. A ria is a coastal inlet formed by the partial submergence of an unglaciated river valley. It is a drowned river valley that remains open to the sea.