solar energy is... the sun's rays (solar radiation) that hit the earth is the definition of solar energy. Two categories passive and active. Passive: Passive solar produces heat and provides lighting for structures.
Retirement Insurance Benefits. Retirement Insurance Benefits (abbreviated RIB) or old-age insurance benefits are a form of social insurance payments made by the U.S. Social Security Administration paid based upon the attainment of old age (62 or older).
A rib fracture is disruption in any of the 12 rib bones that form the rib cage. The disruption may be a single fracture of one rib, a single fracture of multiples ribs, or a rib or ribs may be broken into several pieces (comminuted fracture).