Sagot :
There are three main reasons why people are concerned that cell phones (also known as “mobile” or “wireless” telephones) might have the potential to cause certain types of cancer or other health problems: Cell phones emit radiofrequency radiation (radio waves), a form of non-ionizing radiation, from their antenna.
Answer:
There are three main reasons why people are concerned that all cellphones (also known as mobile or wireless telephones) might have the potential to cause certain types of cancer or other health problem.