A Syncline is where lays of rock bend downwards and then curve up.
An Anticline is the opposite: layers of rock bend upwards and then down.
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Weather has a local impact .
b. the cool, damp air surrounding a creek
c. a dry desert
d. the arctic tundra
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.