If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Types of aquatic and terrestrial pollution

Problem

Persistent organic pollutants are toxic chemicals that harm human health and are detrimental to the global environment.
Why are these pollutants considered persistent?
Choose 1 answer: