In an experiment, smoke particles are suspended in air and viewed through a microscope. The smoke particles move about with short random movements. Which of the following statements is correct?
Air particles have large masses compared to smoke particles and they move in one direction only.
Air particles have large masses compared to smoke particles and they move in random directions.
Air particles move at high speeds compared to smoke particles and they move in one direction only.
Air particles move at high speeds compared to smoke particles and they move in random directions.
