Question

Osteosarcoma cases are rare. Why does this

make it difficult to determine if fluoride causes this
cancer?
The data cannot be studied in context.
0 It is difficult to tell if fluoride causes this
cancer
The sources diagnosing the cancer may be
unreliable.
e

Answer 1

The answer is: It is difficult to tell if fluoride causes this cancer

Explanation:

edgenuite said