The ratio of land to water for the whole earth is 1:2 and 2:3 for the northern hemisphere. What is the ratio of land to water in the southern hemisphere?
(a) 4:11
(b) 1:3
(c) 1:4
(d) 4:7
The ratio of land to water for the whole earth is 1:2 and 2:3 for the northern hemisphere. What is the ratio of land to water in the southern hemisphere?
(a) 4:11
(b) 1:3
(c) 1:4
(d) 4:7