Multiple Choice
The radioactive gas radon has a half-life of 3.8 days. How long will it take for the radon in a basement to decay to 50% of its present level?
A) 1.9 days
B) 3.8 days
C) 7.6 days
D) 16.4 days
Correct Answer:
Verified
Correct Answer:
Verified
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