What is the noun clause of sentence No one could believe that Stella took dance lessons at her age.?

Here's why:

* Noun clauses function as nouns. They can act as the subject, object, or complement of a sentence.

* In this sentence, the noun clause is the object of the verb "believe".

* The entire clause is acting as the thing that no one could believe.

Let me know if you'd like to see other examples of noun clauses!