Answer:
Biological death occurs after 4-6 minutes of clinical death which occurs when the heart stops pumping. ... An automated external defibrillator is a defibrillator that delivers an electrical shock to the heart to restore the normal electrical pattern and rhythm.
Explanation:
Nearsightedness is corrected with concave lenses.
Farsightedness is corrected with convex lenses.
Answer:Of the more than 7,000 chemicals in tobacco smoke, at least 250 are known to be harmful, including hydrogen cyanide, carbon monoxide, and ammonia (1, 2, 5). Among the 250 known harmful chemicals in tobacco smoke, at least 69 can cause cancer. Explanation: