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.
Report Abuse. The outermost layer of the Earth is the crust. In the oceans, it is about 4 miles thick. On the thickest continents, it extends some 40 miles into the Earth. Below the crust is the mantle, a layer of weaker, hotter rock some 1,800 miles thick.Beneath the mantle lies the outer core, a sea of liquid iron about 1,300 miles thick.Finally, at the center of the Earth is the solid iron core, a sphere some 1,500 miles across.eport Abuse. The outermost layer of the Earth is the crust. In the oceans, it is about 4 miles thick. On the thickest continents, it extends some 40 miles into the Earth. Below the crust is the mantle, a layer of weaker, hotter rock some 1,800 miles thick.