The phrase "is either because of" is grammatically correct and can be used in written English.
It is often used when explaining the cause or reason for something. For example: - The reason for her absence is either because of her illness or her family emergency. - The delay in the project is either because of the lack of resources or miscommunication among team members. - John's bad mood is either because of his stressful job or personal problems.
"This is either because of narrow-minded mentalities or because they have turned into merchants of the crisis".
It is either because of people who are a lot smarter than me working on the campaign, a lot more literate, or Spellcheck.
This is either because of an auditory problem or because of who he is: a product of working-class Quincy; a former high school wrestler, trained never to submit; the only one of the four candidates for governor not to have attended Harvard; a veteran politician who needs the job; and a classic long shot who finds hope in the mysteries behind the voting-booth shroud.
Chefchaouen's economy revolves around tourism and hash, and a good deal of the tourism is either because of the hash or – among the older tourists I met, at least – because the city has been declared a World Heritage Site by UNESCO.
13 Whether this is either because of the immaturity of the myocardium or a sign of diastolic impairment is questionable.
This high rate of transition is either because of chemical instability of the methylated cytosine, or due to an enzymatic process yet to be discovered [ 161].
Everyone will assume it's either because of some still-hidden culpability on my part or because of my management failure," Mr. Baum wrote, according to a copy of the e-mail message that was heavily redacted.
Burress acknowledged that he was aware of the perception that he might no longer be as effective as he once was — either because of his time away or because he is 34 years old — but said: "None of those things matter to me.
The other 95% of returns are either because of product frustration or buyer's remorse.
This could be either because of new genetic mutations or because previous affected generations either had daughters who are only carriers or sons who died early in childhood from undiagnosed hemophilia or any other causes or where not symptomatic [5].
This could be either because of inherent differences in recognizing words and faces, or because we selected lures for words to be highly associated with the target words, or because of both factors.
