In ⊙, ⏜=,m , modified eh b with frown above , equals , 43 comma and =.Eh c , equals , d f , . Find . Enter your answer.

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons