Answer:
What is seen in the water and in the sky? It is part of the rainbow and can be in your eye
Before Mount Everest was discovered, what was the highest mountain on Earth?
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
What is often on the ground getting stepped on by others, but you donโt have to wash it because it never get dirty, in fact you couldnโt wash it even if you tried?
What goes inside boots and outside shoes?
If itโs information you seek, come and see me. If itโs pairs of letters you need, I have consecutively three. What am I?