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

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

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

A scientific explanation that remains tentative until it has been adequately tested is called a________.a.experimentb.theoryc.hypothesisd.law

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

When two events occur close together in time, a scientific approach to understanding the events suggests that: a. the first event probably caused the second event. b. the fact that the two are related should not be mistaken for cause and effect. c. the second event is the more important event to study. d. the second event should be ignored until the first event is fully understood.