Answer:
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
What has ten letters and starts with gas?
The land was white the seed was black. It'll take a good scholar to riddle me that.
The main difference between us and zombies
The edge of earth and bread.
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.