The graph shows the results of using a potometer to measure the effect of wind speed on the rate of water loss in a plant.
Which statement explains the results obtained from the investigation?
1 )
As wind speed increases, it becomes harder for the plant to obtain carbon dioxide. At high wind speeds the stomata are fully open so rate of water loss is high.
2 )
As wind speed increases, moist air around the stomata is removed and replaced by dry air. At high wind speeds the transpiration rate is lower.
As wind speed increases, the rate of water loss increases due to an increased diffusion gradient. At high wind speeds, the stomata close.
4 )
As wind speed increases, transpiration rate and rate of photosynthesis increases. At high wind speeds more water is used for photosynthesis.
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