Because of cohesion and transpiration, water is able to move against the flow of gravity in plants. The attraction of water to other water molecules, or cohesion, allows water to pull other water molecules up through the xylem.
Room addition cost about $210 per sq.foot and if there is a bathroom in addition you should add $5,000 in average and if there is a kitchen in addition you should add $10,000 in average to total price of $210 per sq.foot x sq. footage.
Remodeling Magazine pegs the price of a 6x8-foot bathroom addition at averages of $33,188-$41,195 in the Midwest, $34,876-$42,491 along the East Coast and $35,987-$47,052 in the Western states. For a spa-quality 100-square-foot master bath the survey says it averages $75,812 nationwide.