First of all, you need to know what the term skin flora refers to. Skin flora refers to various bacteria and microbes which live on our bodies or inside of them. They are found all over our bodies, however, there are particular areas where their concentration is higher. For example, this is the case with hands, perineal area, groin, armpits, trunk, and arms.
It's the fact that water expands as it freezes so ice that forms on the surface stays on the surface because it's less dense than the liquid water, if it got denser when it froze the ice would sink to the bottom and thus the fish would die. So because it expands the ice stays on top, and water stays at the bottom where the fish can stay alive.
Answer::Railroads brought rapid expansion of people, business, and cities across the state. ... Because railroads enabled farmers and ranchers to transporttheir products more efficiently, by the turn of the century Texas had become a leading producer of both cattle and cotton.