Answer:
What word begins and ends with an E, but only has one letter?
I am all around you but you cannot see me. I have no throat but you can hear me. Valued during summer but despised in the winter.
I mirror your actions.
If you break me, I'll not stop working. If you can touch me, my work is done. What am I?
I am cracked by Indiana Jones.
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.