Why human need to study book, need to eat ?

Answer 1

I would answer that but I'm not convinced it is a serious question. Especially the one about eating. I can't believe a human being would not have the reasoning ability to think though the problem for oneself to discover all the Top 10 reasons people should eat? Maybe you should answer the question yourself and start thinking on your own. You'll be surprised at how well you actually knew the answer already. Try it. We'll wait for your own answer.

Answer 2

study a book (or reading) is like food or energy for the brain, while food itself is energy for the body so we can be able to move and function properly