Sentences 3 is an experiment
Work Step by Step
Sentences 3 is an experiment because they are stating what they are trying to prove and how will they prove it and experiment is the actual testing of the hypothesis.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.