sociallyweirdmel
Answered

Kyle is camping in the Mount Hood National Forest, Oregon. His campsite is in a wide, U-shaped valley. The valley was most likely formed by _____.

  1. a river
  2. mass wasting
  3. a glacier
  4. a mudflow

Verified Answer :

shinylovesoreos

Glaciers form U-shaped valleys so the answer is glaciers

Tarquinius

A glacier. In prehistoric times huge glaciers of ice moved slowly accross the continent forming U shaped valleys, unlike the V shaped valleys caused by rivers.