<u>"Experimental" </u>research is designed to capture cause-and-effect relationships by eliminating competing explanations of the observed findings.
Experimental research is intended to catch cause-and-effect connections by dispensing with contending clarifications of the watched discoveries. On the off chance that the experiment is very much planned and executed, research and showcasing chiefs can believe in the ends. Experiments call for choosing coordinated gatherings of subjects, subjecting them to various medicines, controlling superfluous factors, and checking whether watched reaction contrasts are factually critical.
Answer:
<u>establishing farming communities near oases</u>
Explanation:
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