Which of the following is not a result of underground water activity?
A
Stalactites
B
Stalagmites
C
Sink holes
D
Fiords
Correct Answer: Fiords
Fiords or fjords are coasts formed by the submergence of U- shaped glacial troughs. These are narrow inlets of the sea into the seacoast bounded by steep and high mountain slopes, the height matched by its vast depth too.