Answer:
inquiry question
Step-by-step explanation:
Inquiry means an act of asking for information.
"Where did the Pony Express begin and end" is an example of someone asking a question in order to find out the answer so that they can have the information, whereas if it was an essential question...
Essential question means any question requiring one of the following thought processes: • a question which requires the student to develop a plan or course of action. • a question that requires the student to make a decision. The essential question directs the course of student research.
An essential question would be an overall question that would be used for in essays that you would have to gather information and actually use inquiry questions.
Side Note: I hope this helped you in any way.