Decreases. The higher you go up, the less air will push on your body. Thats why astronaughts need space suits in space to keep their bodies pressure-ized.
Answer is drought. When rain doesn't fall for a long period of time it is a drought. This causes animals to have to relocate/ search vigorously for water. Since there is no rain, it becomes difficult. Plants will start to die and crops won't grow
Answer: Floors.
Usually the bottom of a main valley is broad independent of the U or V shape. It typically ranges from about one to ten kilometers in width and is commonly filled with mountain sediments. The shape of the floor can be flat or terraced.
