Which (if any) of the following scenarios is the result of a natural monopoly? Instructions: You may select more than one answer. Click the box with a check mark for correct answers and click to empty the box for the wrong answers. Patent holders of genetically modified seeds are permitted to sue farmers who save seeds from one planting season to the next. unchecked Doctors in the United States are prohibited from practicing without a medical license. unchecked There is one train operator with service from Baltimore to Philadelphia. unchecked Coal is used as the primary energy in a country with abundant coal deposits.