No you may not..............................
The answer is D.
The leading cause of death for teens is Motor Vehicles accidents.
According to CDC, six teens die every day from a motor vehicle related accidents. teens only represents about 14 % of the population in the U.S, but we're accounted for 30 % of motor vehicles related accidents
Radio waves from smartphones may be carcinogenic - Mobile phones and their towers generate radio waves. Several studies have suggested that though low frequency radio waves aren’t harmful to humans, but over exposure to them may lead to tumours in the body.
Smartphones cause anxiety, increased stress - Cancer aside, smartphones cause a variety of health issues. They have been found to increase anxiety and mental stress in teens. Mobile radiations may also cause learning disabilities and lowered IQ in infants, according to some reports.
I would say A. Because c and d r very dangerous if u think about it. And b is right in some situations. But if u do a then people can see whts going on if something happened because of the light. and it is safe. If wrong let me know. :D
Always shake their hand, and thank them for their time in meeting with you