You have been given an elevation surface and asked to produce a raster indicating potential sites for a forest service radio relay tower that will send and receive radio transmissions to the main tower located near headquarters. The potential sites must be accessible by all-terrain vehicles (ATVs). Which of the following tools would be most helpful in this scenario? a) X Hillshade tool; Raster Calculator tool; Contour toolb) X viewshed; Raster Calculator tool; Contour toolc) X Raster Calculator tool; Aspect; Sloped) X Raster Calculator tool; Contour tool; Aspect toole) X Viewshed tool; Contour tool; Aspect toolf) X Viewshed tool; Hillshade tool; Contour tool