Which process allows green plants to control the amount of water stored in their leaves

the answer is: round.

in literature, round characters are considerably complex and experience or are subjected to unpleasant situations. as a consequence, they go through crucial sentimental and psychological development, which can cause surprise in the readers. in this case, juan's dramatic transformation is related to the adversities he meets at school.

there is no excerpt.

put the excerpt in the comments and ill answer.