Yes, it seems to be an alternative, in some situations acceptable, but eccentric and not neutral spelling of this word. It accents the fact that "ea" here are two separate vowels rather than a diphthong: that is the function of the trema (the two dots).
In practice it's not used much, because it's not really necessary: it does not distinguish it from any other word, and trema is not easy to find on English keyboards: so there is no need.
Answer:
1. Nobody will have ever climbed Jhomolhari.
Explanation:
Answer: Papa gives Billy three small steel traps
Explanation: I THINK that’s the right answer. I haven’t read where the red fern grows since 5th grade
