The phrase "about what becomes" is correct and usable in written English.
It can be used when discussing the outcomes or consequences of a situation or event.
Example: "The discussion was primarily about what becomes of the environment if we continue to ignore climate change."
Alternatives: "regarding what happens" or "concerning what results".
And at the moment, high school principals know virtually nothing about what becomes of their graduates.
This is more certain: No one running for president shows any inclination to talk about what becomes of a broken, corrupt and prospectively dysfunctional country after 2014.
When we see people repeatedly return to the charity for help, we know we haven't been successful and we can only speculate about what becomes of those we never see again.
The prospect of a British exit from the EU would scare investors much more than a possible Scottish exit from Britain (see article).The people of Scotland alone will decide the future of Britain, and they are not obliged to worry about what becomes of the state they would leave.
Sometimes, It May Be About the Bed A South Dakota divorce lawyer, Linda Lea Viken, who helped draft her state's no-fault divorce law as a member of the Legislature, said she had a theory about what becomes the focus of outrage.
What is most fascinating here is where the responsibility for all this lies: squarely on the Kid's shoulders, to be sure, but also, in Banks's able hands, on a world blind to what led him to this spot, a world that now couldn't care less about what becomes of him".
Tondreau-Leve did not much trouble herself about what became of her formula after she sold it, but the buyers mostly seemed to be wholesalers, redistributing the product to small stores.
Another chapter is about what became of the child after Dickens's death.
Trump's campaign has not responded to questions about what became of the helmet or the portrait.
Was wondering, did you uncover any stories about what became of those who didn't go to Sierra Leone?
"We had a lot of photoshopping going on," said Oliveira Baptista about what became the most time consuming part of the design process.
