The base word that changes its pronunciation when the word part-tion is added is ---
![The base word that changes its pronunciation when the word parttion is added is class=](https://us-static.z-dn.net/files/d46/08e41377b96e360faa02f982dafbdbac.png)
Answer:
A
Explanation:
admire has a long i sound and admiration has a short i sound