Ascientist wants to know if consuming fast food increases obesity in teens. he interviews 500 nutritionists, and 450 of them believe fast food consumed more than once a week increases obesity. the scientist concludes that consumption of fast food increases obesity. why is the scientist's conclusion most likely unreliable? the data about the nutrition of fast food is inaccurate. the results of the investigation cannot be repeated. the survey introduced biased information. very few people were interviewed.

The data about the nutrition of fast food is inaccurate.

Explanation:

The objective of the experiment is to know if consuming of fast food increases obesity in teens but the scientist interviews nutritionists.

The data is based upon what nutritionists believe rather than a scientific data involving teens in the experiment. So, the data about the nutrition of fast food is inaccurate.

To increase the accuracy of the study, the scientist should experiment and study between the teens who consumes fast food and who doesn’t and compare the data to conclude the effect.

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what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.