What is "volatilization" in the context of pesticides?

Volatilization refers to the process where substances change from a liquid state into a gaseous state. In the context of pesticides, volatilization is significant because it can affect how pesticides behave in the environment after application. When pesticides volatilize, they can move off-target, potentially impacting non-target organisms and contributing to air pollution. Understanding volatilization is crucial for pesticide applicators to minimize environmental risks and ensure effective pest control.

The other options do not accurately define volatilization: converting solid to liquid pertains to melting, while absorption by soil relates more to the movement and retention of pesticides rather than their state change. Lastly, degradation through sunlight exposure describes a different process involving the breakdown of chemicals rather than a physical state transition.