Efficient means someone who is working in a well-organized way and plans things well. So think of what a character would do being "well-organized" "well-planned" ...etc.
It is easiest to order your ideas when you have developed an outline of your ideas.
Answer:
say something simple like lunch menu, explain why kids would be happier with certain food, and how it could be healthy and tasty since school foods not that good
Answer:
the plural belief is believes.
its false