Radioactividade Natural (2)
How are we exposed to radon?
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What is Radon and How are We Exposed to It?
We are continuously exposed to radioactivity in everyday life. Some of the most familiar sources of radiation include microwave ovens in our kitchens and the radios we listen to in our cars. Most of the radiation we are exposed to carries no risk to our health.
One source of natural radiation that presents a danger is radon — a radioactive gas with no colour, smell or taste. It is released from bedrock material and passes through the soil. It then tends to dilute in the air, so outdoors, radon poses no harm to human health.
https://www.iaea.org/newscenter/news/what-is-radon-and-how-are-we-exposed-to-it