Countries have mixed economies because <span>a country needs the advantages of a free market, capitalistic economy to stimulate jobs and business, but also a socialistic net to help out the less fortunate, sick and poor so you don't have people dying in the streets from starvation while we pay farmers not to grow crops. </span>
"a"both of these :)
would be the best one
Explaining the purpose and methods of a study are explained to subjectonce it's over is known as research methodology.
Research methodology is the way researchers describe how they intend to conduct research. It is a logical and systematic plan for solving research problems. Methodology describes a researcher's research approach to ensure reliable and valid results that are consistent with goals and objectives.
Research methodology gives validity to research and provides scientifically correct evidence. It also provides a detailed plan to keep researchers on track and make the process smooth, effective and manageable. Researcher methodology helps readers understand the approaches and methods used to reach conclusions.
Know more about research methodology here
brainly.com/question/21761325
#SPJ4
