Detailed Instructions: You are given a sentence in Hebrew. Your job is to translate the Hebrew sentence into Portugese.
Q: כשיש עצים, מערכות השורשים "" מחזיקים "" את המים.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Quando temos árvores, o sistema de raízes retém a água.