Answer:
Rotten trees and Jack-O-Lanterns have this characteristic in common.
What travels from coast to coast without ever moving?
It's in your hand though you cannot feel it. Only you and time can reveal it.
In a year, there are 12 months. Seven months have 31 days. How many months have 28 days?
Who has married hundreds but always been single?
How did the farmer find his wife?