Life for plains farmers was hard and most of them had to make their houses out of sod. true or false? ?

Define production possibility curve

Sariah enters a room with several chirping crickets in it. upon first entering the room, sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. the fact that sariah no longer perceives the chirping sound demonstrates sensory

The process of rocks breaking down and becoming other rocks