Answer:
I am the building with the most number of stories.
I am a busy worker who is a water mammal.
What can you hold in your right hand but not in your left hand?
Six letters do my name compound; among the aged oft I'm found; The shepherd also by the brook hears me when Leaning on his crook; but in the middle me divide and take the half on either side each backward read a liquor tell ev'ry gay toper knows it well.
The more you take, the more you leave behind. What are they?
What made Cyclops quit teaching?