Most of the eastern United States is humid. How does the humidity on the East Coast prevent desertification? A. Humidity is the number-one cause of desertification. B. No part of the United States is safe from desertification. C. Humidity leads to increased soil salinity, which causes desertification. D. The East Coast's humidity is directly related to the number of trees that restore moisture to the air and allow for soil preservation. Please select the best answer from the choices provided.