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.
Learn about sharks and opportunities to see them in the wild including whale sharks, hammerheads, and others.Sharks are the ocean's top predator; the health of the ocean depends on healthy populations.There are more than 1,100 species of sharks and rays around the world.earn about sharks and opportunities to see them in the wild including whale sharks, hammerheads, and others.