If your floor really needs more than that, consider a low-cost alternative to refinishing: Apply a fresh topcoat of nonyellowing polyurethane, found in the flooring section of a home improvement store. Be sure to very lightly sand the floors with a pole sander and fine-grit sandpaper.
There are 440 different species of sharks in the world today classified into eight different orders described below with some examples of known sharks species for each group.
How many oceans are there? There are 5 oceans: The Atlantic Ocean; The Pacific Ocean; The Arctic Ocean; The Indian Ocean; The Southern Ocean; How Many Oceans Do We Have. Historically, there are four oceans: Atlantic, Pacific, Arctic, and Indian. These oceans are recognized by almost all oceanic organizations around the world. It is the standard classification that is held by National Geographics. Technically, there is only a single ocean: the world ocean.