Good day,

I would like some clarification with regards to comparing nouns. In some
references like Minna no Nihongo, the sentence formula would be something like

> A と B と + どちら のほうが/が + Adjectiveですか。
>
> Example: 太陽と月とどちらが大きですか。  
>  Which one is bigger, the sun or the moon?

But when I was watching a [Japanese From Zero YouTube
clip](https://youtu.be/1anHQbtV4os?t=617), か was used instead of と and the
last と was omitted.

> Japanese From Zero example: 太陽か月どちらが大きですか。

I am still a beginner, and for now what I've learned was that か is used as a
particle to indicate question, and と was used to join nouns. I was just
wondering why か is acceptable in this example. Thank you in advance!
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2019-04-03T12:44:56.573
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2019-04-03T14:22:39.967
2020-06-17T08:18:27.500
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question
grammar particle-と particle-か
Comparing nouns