Describe plant with lower epidermis function

The lower epidermis layer contains stomata. Stomata prevent the loss of water and regulate the exchange of oxygen and carbon dioxide. The lower epidermis may also contain a waxy layer to further prevent water loss. Plant with these features are typically the xerophytic plants, which grow in arid conditions. 

We can use solar powered cars or ride bikes instead of cars that burn fossil fuels

The honest answer i can give u is glucose