Answer:
The standard of living is greater in the United States than the standard of living in Africa based off of GDP alone.
<span>(I am in middle shcool but I will try to help) Inventions such as the McCormick reaper and the steel blow made farming more efficient but meant that fewer laborers were needed to work the land. As more and more farms merged, many rural people moved to cities to find whatever work they could.(hope this helps)
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Answer:
Fully crossed design
Explanation:
The factorial research design is also called a fully crossed design. This design consists of all possible combinations of their level across all the levels of the research design. It is also called a fully crossed design. This type of research allows the valuable variables cross combination and also shows the effect of all variables. In the experiment method, all variables have only two-level and four treatment combination in all that is called as 2*2 factorial design. In some factorial design, some unwanted or fractional levels can be omitted to make a useful combination.