Omitting the article feels wrong to me (though slightly less wrong in the first sentence than elsewhere). I would use the "Volcano" and a "Lake" throughout.
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AnonymousThank you.
You said:
Usually when we introduce a common noun into a conversation for the first time we use the indefinite article, then when we refer back to that item/person/etc. we use the definite.
Does it apply to what seems to be a co