Pointâofâsale transactionsâi.e., swiping a card at the time of purchaseâsecurely encrypt the. credit card data. Cards placed on file for future transactions, such as for express checkâout, use. tokens to access card data.
The outermost layer of Earth is the atmosphere. I say the atmosphere is the outermost layer, because it is as much a part of the of our planet as the atmosphere of other planets is a part of their definition.
The outermost layer of the skin. This layer, also called the cuticle, is the thinnest layer of skin and forms a protective covering for the body. basal cell layer. the deepest layer of the epidermis responsible for the growth of the epidermis. stratum germinativum.