Answer:
When plaque builds up, it narrows your coronary arteries, decreasing blood flow to your heart. Eventually, the decreased blood flow may cause chest pain (angina), shortness of breath, or other coronary artery disease signs and symptoms. A complete blockage can cause a heart attack
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allele frequency cannot be determined from this information
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Answer:Viroids are short pieces of naked RNA or DNA molecules without a protective coat of protein or lipoprotein.
Explanation: