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

Glaciers form U-shaped valleys so the answer is glaciers

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.

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.

"electrical energy" transforms to "thermal energy".hope my answer has you : )