Antecedent streams can flow through a mountain range because _____.
A)extreme flow velocities allowed them to flow over the top of the mountains
B)bedrock solution gradually opens a tunnel through the mountains that collapses
C)headward erosion connects two streams on opposite sides of the mountains
D)the gap in the mountains existed before the stream flowed through it
E)the stream existed before the establishment of the mountains

Question

Antecedent streams can flow through a mountain range because _____. ​
A)extreme flow velocities allowed them to flow over the top of the mountains
B)bedrock solution gradually opens a tunnel through the mountains that collapses
C)headward erosion connects two streams on opposite sides of the mountains
D)the gap in the mountains existed before the stream flowed through it
E)the stream existed before the establishment of the mountains

Quizplus · Accepted Answer

Antecedent streams predate the uplift of the mountain range they flow through, meaning they were already established before the mountains formed. As the mountains uplifted, the streams continued to erode their channels, maintaining their course through the developing terrain.

Antecedent Streams Can Flow Through a Mountain Range Because _____