Wood and wood by$-$product prices fall in Regina, Saskatchewan, because new forests are opened for harvesting in Washington State. Since Washington is Saskatchewan's biggest trade partner for wood products, you might expect to find that the Regina housing industry:Select one:a$.$steel frames for houses are replacing wood frames because wood is considered a cheap substituteb.uses more wood in construction of new homesc.less wood is being used by everyoned.less labour will be used to construct homes as wages fall relative to the price of lumber