asked 114k views
3 votes
Which colorless and odorless gas, produced by radioactive decay of Uranium-238, is considered to be a form of pollution?

A. Hydrogen
B. Radon
C. Oxygen
D. Boron

1 Answer

1 vote
The answer would be B. Radon :)
answered
User Yves Schelpe
by
8.5k points
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