Four students carried out an investigation into how catalase affects hydrogen peroxide. At the start of the experiment, each student switched on a digital timer and stopped it once 25 bubbles had been counted. The reading on the digital timer is shown below. hours 00, minutes 01, seconds 33, hundredths of a second 54. Which of the times recorded by the students is appropriate for this experiment?
- A1.34 minutes
- B1 minute 33.54 seconds
- C94 seconds
- D93.54 seconds