Food provides nutrients, which are substances that the body needs.
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:
DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
Most allergic reactions occur with rashes and trouble breathing.
