asked 148k views
2 votes
Help!! Which radioactive gas comes from the Earth and sometimes can accumulate in houses or other buildings?

a. Fluorine
b. Chlorine
c. Argon
d. Radon

asked
User Niren
by
8.0k points

2 Answers

4 votes
Radon radioactive gas comes from the Earth and sometimes can accumulate in houses or other buildings.
answered
User Sandeep Dhull
by
8.2k points
0 votes
D. Radon

Hope this helps
answered
User Sharkdawg
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7.5k points
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