The diagram shows an experiment to investigate transpiration.
Plant 1 is not covered. Plant 2 and its pot are covered by a transparent plastic bag.
The mass of each plant and its pot is measured. The masses are measured again after two hours.
What is the result?
1 )
The mass of both plants decreases by the same percentage.
2 )
The mass of both plants stays the same.
The mass of plant 1 decreases more than the mass of plant 2.
4 )
The mass of plant 2 decreases more than the mass of plant 1.
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