It can be used as an IQ test. First, bend down. Farther, so that your head is inches away from the ground. Then, see if you can find the word "gullible". If you can, good job. You're a genius.
Yes shadows are important because they tell us the position of the sun at the time of day
there is no such thing!
some where arund summer
Yes.In food adverts they use pins to stick food down.