Answer:
What invention lets you look right through a wall?
I am a delicious way of representing data.
I am bought by the yard but worn by the foot
What can be as big as an elephant but weighs nothing?
Travel a mile and I will change, travel a million and I will end as I started. What am I?
Why is the letter B always cool?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic