Chemistry, 04.11.2019 21:31 itsmichaelhere1

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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

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why is radon-222 considered dangerous?

it is the second leading cause of...