A study group is asked to prepare a report about the effects of mobile phone use on consumers hearing. Which of the following sources is most likely to provide relevant data?

A. A university research paper about decibel limits of headphones and speakers

B. A statistical report of mobile phone usage by mobile phone company

C. A professional journal article about the incidence of genetic hearing loss

D. A consumer report about surcharges applied to customers' bills by mobile phone companies

A. Social media and photographs

B. News articles and textbooks

C. Almanacs and music

D. Atlases and works of art

A. A university research paper about decibel limits of headphones and speakers

B. A statistical report of mobile phone usage by mobile phone company

C. A professional journal article about the incidence of genetic hearing loss

D. A consumer report about surcharges applied to customers' bills by mobile phone companies