Answer:
What is at the end of a rainbow?
An artΒ-form and its colour-ful result.
A defendant will go free if a reasonable amount of this exists.
Defends your noggin from the hard pavement
It has the biggest wall and is also used when drinking tea.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?