.The results can not be identified. The results of the first in the series. Unable to determine whether the water level dropped. Caused by dehydration of the plant or the evaporation of water.2 . .
The trial results could not be determined. From the experimental results in the problem set 1 Which cannot know whether the reduced water levels. Caused by dehydration of the plants, or due to evaporation of water. 2
Do not try to identify the problem. From the trial of the three car 1, which does not know that the water level is a decrease in the discharge of water from the plants or evaporation of water.2