A want is something that someone had the desire for, but doesn't necessarily need. A need however is something that the person may not have a desire for, but is very important.
Answer:
Adjective
Explanation:
because it is referring to the specific person YOU.
Answer:
What was the problem with the velocipede?
It had no brakes or pedals.
What was the solution?
Pedals were attached to the wheels.
