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Geography Quiz for 6 November 2016

A new geography quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.

Question 1: In speleology, what does phreatic action achieve?

A
Erodes a trench in a cave floor
B
Forms cave passages by dissolving the limestone in all directions
C
Forms stalactites
D
Erodes a well funnel