Advance reservations must be made and the car must be rented in member's name to earn mileage. Only one AAdvantage member per car rental will be credited with AAdvantage miles. Offer is available for U.S. residents only for rentals at participating locations in the U.S., Canada, Europe and South America.
Next Element Â». Carbon was known since ancient times although not recognised as an element until much later. Carbon has been used as charcoal, soot and coal since prehistoric times. The word carbon comes from the Latin word carbo, meaning charcoal.
Ceteris paribus is the commonly used Latin phrase meaning 'all other things remaining constant.' When using ceteris paribus in economics, it is often safe to assume that all other variables, except those under immediate consideration, are held constant.