# Q.3 For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.  (d)How much did Plant B grow from the end of the 2nd week to the end of the 3rd week?

(d)The Plant B grow from the end of the 2nd week to the end of the 3rd week $10-7=3 cm$ height.