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AysviL [449]
3 years ago
11

A scientist is trying to determine whether the use of cell phone contributes to brain cancer. For his study, he compares the med

ical records of subjects who have been diagnosed with brain cancer to the records of healthy subjects. What is the most significant weakness in this type of study?
Biology
2 answers:
djverab [1.8K]3 years ago
6 0
<span>If a scientist is trying to determine whether the use of cell phone contributes to brain cancer, then the most significant weakness in this type of study is the relationship between the cell phone and brain cancer itself. It is hard to identify its connections and consequences with each other.</span>
Readme [11.4K]3 years ago
4 0
It is very hard to determine the link between cellphone use and brain cancer
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