Paula examined differences in college persistence between students who took the SAT either before their junior year or during their junior year of high school. She looked at students with the same score and found that students who had taken the SAT before their junior year of high school were more likely to stay in college than those who had taken the SAT during their junior year. Paula employed which method for controlling the extraneous variable, performance, in her study?

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.

what is the question you are trying to ask?

the works of justice saves things/people

the works of service things/people

explanation:

that's the best i can word it. hope it !

answer; /// the above statement is (true);