Answer:
What is an astronautโs favorite key on a keyboard?
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
I have a straight back and sharp teeth to cut objects.
A necessity to some, a treasure to many, I'm best enjoyed among pleasant company. Some like me hot, some like me cold. Some prefer mild, some like me bold. What am I?
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
When is it bad luck to see a black cat?