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 epidermis consists of 25 to 30 layers of dead cells. Sublayers. Epidermis is divided into the following 5 sublayers or strata: Stratum corneum; Stratum lucidum; Stratum granulosum; Stratum spinosum; Stratum germinativum (also called stratum basale).