<Li> Ob River - over 500 km3 / year </Li> <Li> Lena River - over 450 km3 / year </Li> <Li> New Guinea <Ul> <Li> Fly and Sepik Rivers - total over 300 km3 / year in only about 150,000 km2 of basin area . </Li> </Ul> </Li> <Ul> <Li> Fly and Sepik Rivers - total over 300 km3 / year in only about 150,000 km2 of basin area . </Li> </Ul>

How many percent of water and land in earth