Everyday Science
NULL
Medium
Question
Radon is a __________?
A
germon radio
B
radio active gas
✓ Official correct answer
C
artificial fibre
D
an explosive
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
germon radio
No member explanations yet for this option.
B
radio active gas
No member explanations yet for this option.
C
artificial fibre
No member explanations yet for this option.
D
an explosive
No member explanations yet for this option.
Explanation
Radon is a radioactive gas.
Hence the keyed answer is radio active gas.
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