Sagot :
Answer:
Cellphone acts as a transmiter and you voice is carried on radio waves to the person your calling.
Harmful effects of radio waves
1. Cellphone radio waves instigate brain tumors and even cancer.
2. Exposure to radio waves have been unofficially linked to sleep disorder, headaches, and other neurological problems.
3. Thermal effects caused by radio waves on the human body are especially dangerous, as radio waves can quickly heat tissues to lethal levels.
Explanation: