The table gives the amount of water absorbed during a 10 minute interval for two plant species, X and Y. The two plants were investigated simultaneously, in the same room, and with identical potometers. A student decided that Y was a xerophyte, so it lost less water. Which aspect of the experiment might cast doubt on this conclusion?
- AThe student did not control air flow or temperature surrounding the plants.
- BThe student did not leave the plants to acclimatise to their surroundings.
- CThe student did not take measurements at $0$ minutes.
- DThe student did not take account of the area of leaves.