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.
The type of plate boundary least likely to have volcanoes. subduction zone; ridge or spreading center; transform fault. Reversals of the Earth's magnetic field. cause sea-floor spreading; produce stripe patterns in the magnetism of ocean-floor rocks; cause orogenies; are responsible for subduction. Hot spots. produce tracks as the plates move over them