Radon is

A. Germon radio
B. radioactive gas
C. artificial fiber
D. an explosive

Check Answer

Radon is a radioactive gas. Therefore, option B is the correct answer.
Radon is a naturally occurring, colorless, odorless, and tasteless radioactive gas that is formed from the decay of uranium in the soil, rock, and water. It is classified as a noble gas and is one of the densest substances that remains a gas under normal conditions. Radon is a health hazard due to its radioactivity and is the second leading cause of lung cancer after smoking. It can seep into buildings through cracks in walls and floors, and accumulate to dangerous levels in enclosed spaces.
Option A (german radio) is not a correct term. Option C (artificial fiber) and option D (an explosive) are not related to radon.
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