Answer:
i am pretty sure that answer is population density.
<span>The Tenth Amendment underscores the principle that the national government is one of limited, enumerated powers, and does not have the authority to exceed those powers. The Constitution makes clear that the states and the people are the ultimate residuary of all powers not specifically delegated to the federal government. hope this helps you (:</span>
Labor unions can affect the economy by possibly providing higher wages for its workers, but it will simultaneously lower the profits made by the company, and create fewer jobs. This is because labor unions encourage the benefit of the workers (as the workers join together to fight for better treatment), but it will discourage other companies/businesses from investing in the company. So although it benefits the workers morally, it can negatively affect the success of businesses in the economy.
<span>The right answer is "Genetic".
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</span><span>This is because genetic makeup determines the response of the immune system to certain diseases. That is, some people will be naturally more immune and tolerant to pathogens as compared to other people.
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</span><span>The genetic background refers to the biological basis that we inherited from our parents. His main area of study are genes; In the genes, it is found all the information of the structure of the cells that make up the body of a person. Variations in these genes are what determine the differences in living beings.
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I hope this information can help you.</span>
