In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
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:
<span>- proteins: 1 gram of protein provides 4 kcal or 17 kJ,
- carbohydrates: 1 gram of carbohydrate brings 4 kcal or 17 kJ,
<span>- lipids: 1 gram of lipid brings 9 kcal or 37 kJ,</span></span>
They should be treated with respect because they are old then us and cant do as much things as we can.