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.
1 The said price range does not include the cost for installation. 2  An online carpet retailer such as Competitivecommercialcarpet.com lists several types of commercial carpets that clients can check on the site. 3  The average price through this company ranges from $1.18 to $2.48 per square foot. As mentioned, the quality of the carpet influences the price of the entire carpet and installation. 2  Most experts say that carpets priced around $1 per square foot last for at least three years while better quality lasts for six years or more. 3  There are many different types and styles of commercial carpeting.