Pl
why is radon-222 considered dangerous?
it is the second leading cause of...
Chemistry, 04.11.2019 21:31 itsmichaelhere1
Pl
why is radon-222 considered dangerous?
it is the second leading cause of lung cancer in the u. s.
it cannot be seen, smelled, or tasted.
it is a product of the natural decay of uranium and is often found in the soil on which houses are built.
all of these
Answers: 2
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