Anna is hiking in a canyon. the inequality statements compare the elevations of the hiking trail at three different points. –21 ft < –18 ft −18 ft < 10 ft which statements comparing the elevations are true? select each correct statement. an elevation of –18 ft is higher than an elevation of 10 ft. an elevation of –21 ft is lower than an elevation of –18 ft . an elevation of is 10 ft is lower than an elevation of –21 ft . an elevation of –18 ft is higher than an elevation of –21 ft .