Answer:
What goes up but never goes down?
Ancient and majestic, great big piles of stones, Used to encase both riches and bones. Seen from certain angles, They look like big triangles.
This is a shape and a symbol that we literally cannot live without. What is it?
Chicken noodle and cream of mushroom are two well known varieties of this kind of food
What goes through a door but never goes in and never comes out?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?