More expensive flooring options include natural stone, which can easily be up to $50 per square foot, and hardwood floors, which are rarely cheaper than $12 per square foot including the price of installation.hat you will need in the bathroom will differ substantially from what you need in the bedroom. Tile is a smart choice in rooms with water and humidity such as the laundry room, kitchen and bathroom. Average costs of porcelain and ceramic are $5 to $12 per square foot, including the price of installation.
The layer that is thinnest under the oceans is the crust. While it  is thinnest in those underwater regions, it is the thickest in the  regions where mountains are.
Report Abuse. The outermost layer of the Earth is the crust. In the oceans, it is about 4 miles thick. On the thickest continents, it extends some 40 miles into the Earth. Below the crust is the mantle, a layer of weaker, hotter rock some 1,800 miles thick.Beneath the mantle lies the outer core, a sea of liquid iron about 1,300 miles thick.Finally, at the center of the Earth is the solid iron core, a sphere some 1,500 miles across.eport Abuse. The outermost layer of the Earth is the crust. In the oceans, it is about 4 miles thick. On the thickest continents, it extends some 40 miles into the Earth. Below the crust is the mantle, a layer of weaker, hotter rock some 1,800 miles thick.