Multiple Choice
Choose the incorrect statement concerning radon gas.
A) Radon gas is found at home.
B) Radon is a noble gas.
C) Radon accounts for 3/4 of the Earth's background radioactivity.
D) Radon-222 is the most hazardous form of radon due to a half-life of 3.8 days.
Correct Answer:
Verified
Correct Answer:
Verified
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