Question

The setup below shows an experiment on transpiration where leaves from the same plant are balanced on two plastic straws. One or both sides of the leaves are covered in grease. Any difference in mass causes the lighter end to be higher. Which leaves will be higher after an hour?

A 1 and 3
B 1 and 4
C 2 and 3
D 2 and 4

Answer 1

option B is the correct answer