Periodic is something of a cycle. For example a women’s period. Something non periodic is something of an irregular cycle. For example the speed of a car.
Conduction is the transfer of energy and convection is a circular movement
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.
I not really sure what the answer is
Creatinine is not reabsorbed by the proximal convoluted tubule.
