Answer:
I cannot be burned in fire or drowned in water. What am I?
When I come in from sea to shore twenty paces you'll see No less no more.
What building has the most stories?
What tastes better than it smells?
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
Nothing specific, but more than a few. This many clustered, together will do.