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Most heart attacks are sudden, but one in four a needs emergency help. b produces no symptoms. c produces arrhythmias. d causes no heart damage.
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Most heart attacks are sudden, but one in four

a
needs emergency help.
b
produces no symptoms.
c
produces arrhythmias.
d
causes no heart damage.

User Sirvine
by
7.7k points

1 Answer

1 vote
i believe the answer is b
User Franklin
by
8.3k points
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