Answer:
Options <em>A, B and C</em> are correct.
Explanation:
A. Nutrition impacts memory when people are on the diet for three months
This option is correct because it was found that being on a high- protein or high-fiber diet for three months resulted in a significant improvement on memory performance tests. Note that "significant" here refers to statistical significance- which means the result is not due to random chance.
B. Nutrition has a bigger impact on memory when people are on the diet for three months than when they are on the diet for one month
This option is correct because when subjects were on a month long diet of either a standard diet, high- protein or high-fiber diet, it was found that memory performance is somewhat better for the high-protein and high-fiber groups than for the control group, but the effect of nutrition is not statistically significant. This means that the subjects on the high-protein and high-fiber groups did not conclusively do better on memory tests, and the result could be attributed to chance or other extraneous factors.
On the other hand, when subjects were on a high- protein or high-fiber diet for three months, it resulted in a significant improvement on memory performance tests- which means the result was not due to random chance.
C. There is not sufficient evidence to conclude that nutrition impacts memory when people are on the diet for one month
This option is correct because as stated above, it was found that memory performance is somewhat better for the high-protein and high-fiber groups than for the control group, but the effect of nutrition was not statistically significant- which means the results could be attributed to chance.
The correct answer is B. Many societal problems are directly related to alcohol, such as domestic violence and child neglect.
Explanation:
Alcohol consumption is related to negative effects including social issues. Indeed, alcohol is considered to contribute to different social issues including domestic violence because alcohol makes people more prompt to aggressive behaviors and victims of violence are more likely to consume alcohol.
This effect also occurs in areas such as child neglect considering alcohol abuse or addiction can make individuals forget about priorities or responsibilities including maternity/paternity. Also, higher levels of child abuse are related to alcoholism and alcohol intake. In this context, alcohol affects society because it is related to problems such as violence or child neglect.
Answer: However, human embryonic stem cell (hESC) research is ethically and politically controversial because it involves the destruction of human embryos. ... As a matter of religious faith and moral conviction, they believe that “human life begins at conception” and that an embryo is therefore a person.
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