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 lower epidermis of a leaf serves as protection like skin, and also helps retain moisture. 1/11/12: I'm studying this subject now and I believe from what I learned that th â¦ e UPPER epidermis reduces water loss and protects the cell with the cuticle (a thin waxy later that protects the leaf from fungi and bacteria).