Folded layers of rock can form a wavelike pattern of troughs and crests. The layers near the crest (i.e. the upward fold) form
A) a syncline.
B) a tension zone.
C) an anticline.
D) a thrust fault.

Question

Quizplus · Accepted Answer

An anticline is a fold that arches upward, forming a wavelike pattern with peaks (crests) and troughs. The layers near the crest of the fold become compressed and uplifted, while the layers near the trough become stretched and sink down, forming a syncline. Tension zones and thrust faults are not related to folded rock layers forming wavelike patterns.

Folded Layers of Rock Can Form a Wavelike Pattern of Troughs