Why might a river that was eroding and depositing sediment along its sides start to cut into Earth to form a canyon?

Which of the following crops is not typically grown in the great plains region? a. corn c. soybeans b. rice d. wheat

Jennifer is visiting her grandmother, who lives in the northeast corner of oklahoma. the region is home to many lakes, and jennifer enjoys canoeing on the illinois and grand rivers. to which region of oklahoma is she traveling? the prairie plains, the ozark plateau, the red river plains, the red beds plains

In the diagram below dab and dac are adjacent angles