What are the answer choices?
Generally, sounds above 85 dB are harmful, so the sound of 145 dB may damage hearing.
Answer:
Plaque builds up in the artery and makes it hard for blood to flow through, causing less and less blood to flow to the heart, as well as blood clots. The heart muscles become deprived of oxygen.
Explanation:
One way to prevent this from happening would be, in general, to not go ice skating. She also could have worn knee pads.