It is not always easy to differentiate between sea, ocean, lake, and pond. Even scientists sometimes disagree on these classifications. However, a few simple characteristics of each body of water can help clarify the differences.
When you pour a sugar cube into coffee, it dissolves quickly. But when the same sugar cube is poured into a cold drink, it takes a long tine before it finally breaks down. Why is that?
Water, so common and abundant on Earth, is an almost unique substance: it has astonishing chemical and physical properties and behaves in a bizarre way