A student has a marble with a mass of 50 grams. To determine the volume of the marble, the water displacement method is used. The student places the marble in 50 mL of water in a graduated cylinder, and the water level rises to 70 mL. What is the density of the marble? A 20 g/mL B 120 g/mL c 0,4 g/mL D 2.5 g/mL

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.