A student is investigating Brownian motion. With a microscope, she sees smoke particles inside a glass container, lit by a strong light. The smoke particles follow a zig-zag path, with their speed and direction continually changing. What will happen to the smoke particles if the air in the container is heated?
- AThe smoke particles become easier to see.
- BThe smoke particles change direction more frequently.
- CThe smoke particles increase in volume.
- DThe smoke particles move further apart.