Answer:
What is red, bloody and smells like an orange?
If you drive on this, pedestrians and the police will be pretty upset with you.
What has a foot but no leg?
When will water stop running down hill?
What object has keys that open no locks, space but no room, and you can enter but not go in?
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.