Because small quantities of powerful explosives can be hidden easily, a sensor that could detect trace amounts of illicit chemicals would be a useful tool.What animal sensory modality is exquisitely sensitive to minute quantities of airborne chemicals?

Question

Quizplus · Accepted Answer

Olfaction, or the sense of smell, is highly sensitive to detecting minute quantities of airborne chemicals, making it useful for detecting trace amounts of explosives.

Because Small Quantities of Powerful Explosives Can Be Hidden Easily