As a basis for understanding these concepts, students know: Water on Earth most of the Earth&#146;s water is present as salt water in the oceans, which cover most of the Earth&#146;s surface.
(s water; is; present as salt water in the oceans) Context(s water is,List([98, 108))):(students; know; Water on Earth most of the Earth&#146)
s water is,List([98, 108))
s water students
is know
present as salt water in the oceans
Water on Earth most of the Earth&#146