6. In Japan, there is a long tradition of elderly women working as "ama", or freediving fishermen. They use special breathing techniques to dive to depths of 30 meters in the ocean (density 1025 kg/m ) to get shellfish. If atmospheric pressure is 1.01 x105 Pa, what total pressure does an ama experience at that depth? (a) 1.23 x 106 Pa (b) 4.02 x 105 Pa (c) 3.01 x 105 Pa (d) 0.33 Pa