Answer:
ok I will also watch .
I think it's interesting .
hope you will have best day ahead .
Answer:
One major way it gets back into the atmosphere is by humans burning it in coal power plants
Explanation:
Answer:
Radon 222.
Explanation:
This is a chemically inert gas that is colourless and odourless but it is radioactive. It is produced by uranium in rock. From seeping through foundation, its accumulation can cause lung cancer. Also, as a radioactive gas, it can be also used to in hospitals to cure ailments which includes tumour , cancer and other diseases.
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