B. True of False. Write T if the statement is true, write F if the statement
is false. Write the letter on the space provided before each number.
1. In the past five years, mobile phone use has grown by 67 percent.
2. Radio Frequency (RF) is a kind of radiation which has been linked
to health risks and the development of brain tumors.
3. Glioma is a brand of smart phone.
4. This article is promoting the constant usage of smart phones among
people.
5. According to the statistics, there is one in every five adults who are
now having smart phones.
T​