But this has been exacerbated by human activities which have led to: 1) an increase in greenhouse gas emissions that causes heat to remain trapped within the troposphere, and 2) a decrease in ozone in the stratosphere, causing less sunlight to be absorbed by the ozone layer, resulting in a cooling of the stratosphere.
When measuring for floor tile the rule is: Length x Width + Waste = Amount Needed. Waste Factor will vary based upon tile size, layout, configuration of room, patterns, etc. Typical waste factor is about 10%. Add 15% for tile being installed diagonally or for a room with lots of jogs and corners.
Calculate the area of a room or space by multiplying the length in feet by the width in feet. If the answer is 200, for example, then the space is 200 square feet. For 12-inch tiles, the total area is also the number of floor tiles required to cover the space. To calculate the appropriate number for other sizes of floor tiles, determine the size of that tile in square feet. For example, four 6-inch tiles make up one 12-inch tile.