Final answer:
Asbestos containing materials are considered hazardous because they release asbestos fibers into the air when disturbed or damaged. These fibers can be inhaled and cause serious health problems.
Step-by-step explanation:
Asbestos containing materials are considered hazardous because they release asbestos fibers into the air when disturbed or damaged. These fibers can be inhaled and cause serious health problems. Three major health effects associated with asbestos exposure are lung cancer, mesothelioma, and asbestosis. Asbestos was commonly used in building materials and other products, but its use is now banned due to its hazardous nature.