Because the Incas lived in the mountains, they used a technique called terrace farming to be able to grow food. What theme is this an example of? A. Human Environment Interaction (HEI)
B. Movement
C. Drip Irrigation
D. Absolute Location

The diagram shows , , and . which statement can be proven true from the diagram? a. ∠dgb is supplementary to ∠ega. b. ∠dgb is supplementary to ∠cgb. c. ∠cgb is supplementary to ∠agd. d. ∠ega is supplementary to ∠egc. e. ∠egd is supplementary to ∠cgb.