Answer:
The correct answer is: Experimental research
Explanation:
Experimental research is a technique or an experimental procedure research which is performed or conducted to validate or support a hypothesis. In this scientific approach, a particular set of variables are observed and measured by keeping other set of variables constant, as a subject of the research or the experiment.
The Mesopotamians developed a highly sophisticated mathematical system with a sexagesimal place-notation (a base of 60 whereas the present-day base is 10). This system included addition, subtraction, multiplication, division, algebra, geometry, reciprocals, squares, and quadratic equations.
Coining money, establishing courts, and conducting elections. Hope this helps! Brainliest? :D
