A scientist wants to find the percent of teens that like the taste of "brand X" lemonade over "brand Y" lemonade. She conducts a taste test of 500 teenagers. She gives each teen a bottle of lemonade with the labels showing the brand of each lemonade. She asks each teenager to taste each brand after drinking water in between. She finds that 50% of teens like brand X and 50% like brand Y lemonade. Why are the results of the survey most likely unreliable?

She gave them bottles with labels showing the brands

Explanation:

the teens could have been biased due to knowing the brand. It would have been more reliable if the label was covered or removed.

a. a clone will be physically identical to the original, but won’t be genetically identical

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space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )