My best answer would be that out brain makes connections. Music can make a conection to what ever we're seeing/feeling in the moment. That's why certain songs might make us sad or happy, or any other emotion. Music can also help you concentrate, depending on the person.
Answer:
Plants
Explanation:
For a picture book, it would be fun and easy to show how a plant grows and is used to provide nutrients for us.
juliets nurse, peter, Mercutio, Romeo and Juliet obviously, Benvolio, Friar Lawrence, Tybalt, Peter, and there may be others but all i could remember
The answer would be a I just did this