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Flura [38]
3 years ago
15

1. What is the main cause of a heart attack? A. Blood flow is blocked by a blood clot B. Heart beats irregularly C. The valves i

n the heart don’t operate properly D. A blood clot is blocking a vessel to the brain
Social Studies
2 answers:
VMariaS [17]3 years ago
6 0

Answer:

b

Explanation:

Scrat [10]3 years ago
5 0

Answer:

D

Explanation:

When the major blood vessels supply the heart with blood become clogged.

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