Fun Riddles

Question: Scientists are trying to figure out what is between Heaven and Earth.What is it?

Question: Why is a raven like a writing desk?

Question: I take what you receive and surrender it all by waving my flag.What am I?

Question: A tomato vine is 3 meters long. The bottom foot of the vine doesn't grow any tomatoes but the rest of the vine grows a tomato every 5 inches.

How many vegetables can grow off of the vine?

Question: Who gets paid when they drive away their customers?