Study the illustration below and answer the question that follows:
a. What method of heat transfer is indicated/ shown in the following letters
X = _____________________________
Y = _____________________________
Z = _____________________________
![Study The Illustration Below And Answer The Question That Follows A What Method Of Heat Transfer Is Indicated Shown In The Following LettersX Y Z class=](https://ph-static.z-dn.net/files/d1c/7e211a8f75a7fc829ca53028b9806811.jpg)