Parts Covered for 8 years or 80,000 milesIf your vehicle has one of the following parts, thisFederal Emission Warranty covers that part for aperiod of 8 years or 80,000 miles, whichever occursfirst.These limits are counted from the time when yourBasic Warranty begins under 2.1(D).
Since, the upper leaf blade is directly faced to the sun, the rate of transpiration increases. Hence, to prevent excessive transpiration, stomata are more in lower surface i.e. relatively less transpiration happens from the lower epidermis. Plants also remove water in the form of (liquid), this is guttation.
The epidermis is composed of the outermost layers of cells in the skin Epidermis is the outer layer of cells covering an organism, in  particular. Your epidermis is the outer layer of your skin. Anything that is not your skin.    Epidermis-- The uppermost layer of skin cells. The epidermis is the outer covering of a living thing or organism.