What is true about gasoline vapors in relation to air?

Gasoline vapors are indeed heavier than air. This characteristic is crucial for understanding safety protocols when handling gasoline. Being heavier than air means that gasoline vapors tend to accumulate near the ground or in low-lying areas. This can create potential hazards in enclosed or poorly ventilated spaces, as the vapors can reach flammable concentrations without dispersing effectively.

Understanding the physical properties of gasoline vapors helps in implementing appropriate safety measures. For instance, ensuring proper ventilation in areas where gasoline is used or stored can mitigate the risk of vapor accumulation and potential ignition sources. Awareness of the behavior of these vapors is essential for maintaining a safe workplace environment when dealing with volatile substances like gasoline.