What's the difference between Juvenile and Adolescent?

Question

Answer

Juvenile may refers to:
1.Of or relating to or characteristic of or appropriate for children or young people
2.Displaying or suggesting a lack of maturity

While adolescent
1.In the state of development between puberty and maturity

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Answer

A minor or a juvenile is a person who is not legally an adult. 
An adolescent is a  young person who is growing from a child into an adult.