Chicken meat will be stored in laminated (layered) packages. The surface area of packaged chickens is 0.1 m and the packaging layers are 1 mm polyethylene and 1 mm nylon, respectively. If the partial vapor pressure of oxygen in the package is 0.01 atm and the partial pressure of oxygen in the storage environment at 30 C is 0.2 atm, what will the O2 flux be? urgent please