Fill in the blank. A(n) __________ is the collection of all the simple events for an experiment.

A study of events that have already happened is a(n) what experiment.

The system's reaction to an event is called a(n ) _______ .

A(n) ________ is a well-developed set of ideas that proposes an explanation for observed phenomena.

What is a natural experiment?Multiple choice question.Study of an event that occurs outsideStudy of processes that do not involve humansStudy of an event that has already occurred

Something that occurs at a specific time and place and should be remembered by the system is called a(n ) _______.