Answer:
A). The number of contrives in Europe.
Explanation:
<u>The key difference in six and seven-continent model is that the former is taught in Europe, Japan, and Russia while the latter model is preached in the United States, Asia, United Kingdom, and Australia</u>. In the six-continent model, South America and North America are merged into one section named 'America' while the seven-continent model denotes them separately. Thus, <u>option A</u> is the correct answer.
Generally the number of immigrants that come to the united states rises and falls with the united state’s economy
<h3>What is
immigrants?</h3>
The international movement of people to a destination country where they are not natives or do not have citizenship in order to settle as permanent residents or naturalized citizens is known as immigration.
The United States of America is renowned as the world's melting pot, and each year on October 28th, National Immigrants Day reminds us how unique that distinction is among the world's 195 sovereign states.
Immigration can provide significant economic benefits, such as a more flexible labor market, a larger skill base, increased demand, and greater diversity in creativity. However, immigration is a contentious issue. It is stated that immigration causes overcrowding, congestion, and additional strain on public services.
To know more about immigrants follow the link:
brainly.com/question/24475673
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Answer:
C) control
Explanation:
The control group can be explained as the group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.
This group is used in an experiment or research as a way to ensure or know that your experiment actually works. In other words, it is used in an experiment to establish its validity.
In this case, the participants that were told to solve the problems alone, were in the control group. And they were used to establish the validity of the study.
Answer:
<u>b. no, this does not need to be reported since it is unrelated to participation in the study.</u>
Explanation:
The research in conducting a focus group to learn about hygiene and disease prevention but the subject having a heart attack does't count as part of the research.
