What happens to asbestos fibers when they become airborne?

When asbestos fibers become airborne, they can remain suspended in the air for a prolonged period. This characteristic is significant because it means that individuals may be exposed to asbestos fibers over extended durations if the fibers are not disturbed or cleaned up properly. The lightness and small size of asbestos fibers contribute to their ability to remain airborne, allowing them to travel distances and potentially enter lungs upon inhalation.

The other choices do not accurately describe the behavior of asbestos fibers. While some larger particles may settle on surfaces, smaller asbestos fibers do not settle quickly and can instead linger in the air. Additionally, asbestos fibers do not break down into harmless particles; rather, they maintain their structure and potential for harm. Environmental conditions do not neutralize asbestos fibers; instead, they remain hazardous until they are physically removed or managed appropriately. Understanding these properties is crucial for effective asbestos management and safety practices.