What is it about a pollutant that makes it non persistant?

A pollutant is considered non-persistent if it degrades quickly in the environment due to chemical, biological, or physical processes. Characteristics such as high reactivity, volatility, and solubility in water contribute to its rapid breakdown. Non-persistent pollutants typically have shorter half-lives, allowing them to be assimilated or transformed by natural processes before they can accumulate in ecosystems or cause long-term damage. As a result, they pose a relatively lower risk to environmental and human health compared to persistent pollutants.