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.
Hope the attachment helps
Answer:
See below.
Explanation:
The sentence is written in passive voice.
Passive voice means that a subject is a recipient of a verb's action.
Most sentences written in passive voice has "by" used in it. (E.g. The ball was thrown by the pitcher.)
-hope it helps
