Answer:
Step-by-step explanation:
With the initial statement, when the trees become very old, they stop flowering, it would be expected that only trees that has stopped flowering are to be considered because they are assumed to be old trees.
But with the additional information, we had to choose trees that were
no more than 240 cm tall, the choice of trees now is only those who are not more than 240 cm tall. This implies that the choice of trees to be considered now may be old or young, once they meet the required height.