scientific theory-a theory that explains scientific observations; scientific theories must be falsifiable. field theory - (physics) a theory that explains a physical phenomenon in terms of a field and the manner in which it interacts with matter or with other fields.
1 Selecting the carpet-carpeting can cost as little as $2 per square foot, or as high as $100 per square yard, but the average carpet and pad will cost between $30 and $40 per square yard-for a total of around $995 for the carpeting alone. Selecting the carpet-carpeting can cost as little as $2 per square foot, or as high as $100 per square yard, but the average carpet and pad will cost between $30 and $40 per square yard-for a total of around $995 for the carpeting alone.
You still need â¦ a pad and generally need professional installation so the full price would be roughly near $300. If you have already purchased your new carpet and are simply looking for   installation costs, plan on spending approximately $5 to $10 per square yard.easure the area of the space to be covered. Multiply by the cost of the unit area of the carpet. A typical economy carpet at Lowe's is about $2.25 per square foot including p â¦ ad, plus $97 for installation of any number of rooms. A pretty nice carpet runs about double-around $4.50 per square foot.