Answer:
Eating healthy is important for students because it promotes healthy growth and development throughout one's lifetime.
Step-by-step explanation:
The above option is the most effective for his argument.
Everyone knows that eating is part of one's daily activity throughout lifetime. So, if Pedro presents to the students the issue of eating healthy because it promotes and produces healthy growth and development throughout one's lifetime, it will be effective.
The above point is a valid point which Pedro can develop on in order to win the argument.