Wallace Line to the west of the Philippines. Wallace's studies in Indonesia demonstrated the emerging theory of evolution, at about the same time as Joseph Dalton Hooker and Asa Gray published essays also supporting Darwin's hypothesis. Understanding of the biogeography of the region centers on the relationship of ancient sea levels to the continental shelves. Wallace's Line is visible geographically when the continental shelf contours are examined; it can be seen as a deep-water channel that marks the southeastern edge of the Sunda Shelf which links Borneo, Bali, Java, and Sumatra underwater to the mainland of southeastern Asia. Australia is likewise connected
Line of Actual Control Line of Actual Control The Line of Actual Control (LAC) is a demarcation line that separates Indian-controlled territory from Chinese-controlled territory in the former princely state of Jammu and Kashmir, formed after the 1962 war. There are two common ways in which the term "Line of Actual Control" is used. In the narrow sense, it refers only to the line of control in the western sector of the borderland between the two countries. In that sense, the LAC forms the effective border between the two countries, together with the (also disputed) McMahon Line in the east and a small undisputed