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).
The Ribs. The ribs are a set of twelve bones which form the protective âcageâ of the thorax. They articulate with the vertebral column posteriorly, and terminate anteriorly as cartilage (known as costal cartilage). As part of the bony thorax, the ribs protect the internal thoracic organs. They also have a role in breathing â during chest expansion the ribcage moves to permit lung inflation. In this article, we shall look at the osteology and bony landmarks of the ribs.