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A recent study found that snoring, though not common in either group, is more common among smokers than among nonsmokers. ██ ███ █████ ██ ████ █████████ ███ ██████ ████████████ ████ ███████ ██ ██████ ███ ██████ ████████
12.
Which one of the following, ██ █████ █████ ███ ████ █████ ██ ███ ██████████ ███████████
a
Stress induces both ███████ ███ ███████ ██ ███████ ████████████
b
Obesity induces many ███████████ ██ ██████
c
Most snorers do ███ ██████
d
Most smokers do ███ ██████
e
Both smoking and ███████ █████ ██████ █████████