Answer:
What kind of nail can be grown?
A blue house has blue bricksΝΎ a yellow house has a yellow bricks. What is a green house made of?
Casper was a friendly one and Demi Moore made a clay pot with one.
What has many keys but cannot open a single lock or door?
I am someone you don't know. Who am i?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.