It is correct and can be used in written English.
It is typically used to describe something that was very obvious or clear. Example sentence: The difference between the two arguments was very apparent.
Their presence was very apparent".
She had a boredom threshold, and it was very apparent.
The work's pivotal nature – glancing back to Haydn and forward to Berlioz – was very apparent.
'This was very apparent to me even at the time I became a movie star.
Throughout the US Open one thing was very apparent about Rocco Mediate; he was enjoying himself.
It was very apparent to me that he had no money".
During the interview it was very apparent that there was no interest whatsoever in what I was saying.
When he was younger this was very apparent and he was often taken for the movie star.
The time and effort that all students put into preparing for this competition was very apparent in the thoroughness of their analysis and the impressive presentations.
While we commonly look at important factors such as whole plant dry matter and starch content, the effect of growing conditions on fiber digestibility was very apparent.
The notion of "never again" that I am used to seeing among my Israeli friends was very apparent among some of the Germans I met.
