Mary explored the ocean at an elevation of -30 feet. Richard was closer to the surface of the water. Which describes Richards depth?
Adepth of greater than -30 feet
Bdepth of greater than 30 feet
Cdepth of less than 30 feet
Ddepth of less than -30 feet
Adepth of greater than -30 feet
Bdepth of greater than 30 feet
Cdepth of less than 30 feet
Ddepth of less than -30 feet