Afold in rock that bends upward into an arch is called a(n)
a. anticline.
b. syncline.
c. plateau.
d. canyon.

Hello! It is an anticline. An anticline is a denomination given by structural geology, which indicates that a particular structure has a convex fold that goes towards the more recent strata, forming a kind of "wave" mark in the rocks. It is possible to find such structure in several places of the planet. Letter a) Anticline Hugs!Hope this helps. Let me know if you need additional help!

The answer is anticline

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