Respuesta :
Answer:
Medical imaging is the highest contributor to people's exposure to radiation.
Answer:
The correct answer is RADON GAS
Explanation:
"Radon gas is usually the highest contributor to people’s exposure to radiation. Exposure to radon gas can lead to radon-induced lung cancer, which is the second leading cause of lung cancer in America. Worldwide, it causes 3-14% of all lung cancers according to WHO. Smokers are 25 times more at risk than non-smokers for radon-induced lung cancer."
