Answer:
What is light as a feather but even the strongest man cannot hold it for more than a few minutes?
Brown I am and much admired. Many horses have I tried. Tire a horse and worry a man, tell me this riddle if you can. What am I?
Goes over all the hills and hollows, Bites hard, but never swallows.
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I am the kind of food monkey likes and people slip on me and fall in cartoons.
What made Cyclops quit teaching?