Answer:
Walk on the living, they don’t even mumble, Walk on the dead, they mutter and grumble. What are they?
Weight in my belly, Trees on my back, I travel fast in my place, but feet is a feature I lack
Big as a biscuit, deep as a cup, but even a river can’t fill it up. What is it?
What has six faces and twenty-one eyes?
Being able to interpret the letters on this screen proves that you have this quality.
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright