The Air-Conditioning and Refrigeration Institute provides a brief explanation of how central air conditioning works 1  . The California Consumer Energy Center offers detailed information on central air systems and specifics on ducts and vents .
Convergent Plate Boundaries. Sections of the Ring of Fire, subduction zones that surround much of the Pacific Ocean, are underwater. Submarine volcanoes at these convergent plate boundaries are much like their counterparts on land. Many of these volcanoes form new islands that last only a short time. Left: Perhaps the most famous submarine volcano is Krakatau, a submerged caldera located between Java and Sumatra.
subduction zone. A __________ __________ is a convergent boundary where an oceanic plate is pushed beneath a continental plate forming a trench. The oceanic crust melts resulting in the formation of volcanoes.