Question

what information is presented as a fact in the article? check all that apply. the data cannot be studied in context. it is difficult to tell if fluoride causes this cancer. the sources diagnosing the cancer may be unreliable.

Explanation:

Factual statements are those that can be verified. Here, statements about data - study context, fluoride - cancer link difficulty, and cancer - diagnosis source unreliability can be considered as presented facts if supported by evidence in the article.

Answer:

The data cannot be studied in context.
It is difficult to tell if fluoride causes this cancer.
The sources diagnosing the cancer may be unreliable.