Waves Inv. 4 - Communication Waves. _ means it has to do with _ waves.

Optical fibers _ ___ for very ___ distances by using total internal reflection. The information is encoded as _. Light waves travel _ ___. Information sent from New York by fiber optics could reach Australia in less than ___ _.

The information must be encoded to be sent as patterns of _.

But Morse code serves as a _ that we can use to understand ___ ___ is __ and ___ through optical fibers as light waves.

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.