Advancing glaciers create u-shaped valleys called
a. rias.
b. fjords.
c. aretes.
d. cirques.

The answer is letter b. fjords. U-shaped valleys are formed by mountain glaciers. It creates an inlet when it is filled with ocean water. These valleys are called fjords. Cirque and arête on the other hand, is the starting location  for mountain glaciers and the spiky high land between two glaciers which forms a spillway when the glacial action erodes through, respectively.

 

Answerland;

Unique question.well, using science, you cannot create or destroy even if you do eat yourself so you would not grow twice as big, nor would you disappear. you would stay the same but change states potentially, or at least change your appearance (obviously).hope this . keep up these unique questions.