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.
1. the outermost, nonvascular, nonsensitive layer of the skin, covering the dermis. 2. the outer epithelial layer of animal tissue. 3. a thin layer of cells forming the outer integument of seed plants and ferns. epidermis. epidermÃ­s