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General Knowledge Quiz for Wednesday, 25 January 2017

A new general knowledge quiz is available every day. Try today's quiz or work through our archive of daily and themed quizzes.

Question 1: What is the effect of the submerged shoal, the Barra del Indio, in the Río de la Plata west of Samborombón Bay?

A
Divides the river into inner freshwater and outer brackish areas
B
Provides a safe breeding site for a species of river dolphin
C
Makes the widest, fastest white water area in the world
D
Provides a base for a river community to build its houses