Answer:
1. Life, exist 2. pre-existing cells.
Explanation:
<span>The nurse should stand or sit within the line of vision for the patient, close the door to his/her room so minimize noise, reduce distractions by turning on televisions and removing visitors, ,be certain the clients hearing aid is working properly, and be sure to get the clients attention before beginning any discussions.</span>
Complex organic food molecules such as sugars, fats, and proteins are rich sources of energy for cells because much of the energy used to form these molecules is literally stored within the chemical bonds that hold them together. Scientists can measure the amount of energy stored in foods using a device called a bomb calorimeter. With this technique, food is placed inside the calorimeter and heated until it burns. The excess heat released by the reaction is directly proportional to the amount of energy contained in the food.
