Which of these rivers flows into the sea via estuary?
Vistula
Volga
Thames
Danube
An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. The Thames flows into the North Sea via the Thames Estuary. The other listed rivers leave its mouth via delta.
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Answers by country
Vistula
Volga
Thames
Danube
answers

51

31

25

14

11

10

124

23

57

31

4514

38

194

21

238

17