Answer:
Your computer\'s version of white-out.
When it's dirty this should never be aired in public.
Before Mount Everest was discovered, what was the highest mountain on Earth?
Kids play it and Michelangelo sculpted with it.
What time of day, when written in a capital letters, is the same forwards, backwards and upside down?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.