When working as a staff member on SSRP you will be dealing with lots of situations where you will have to be able to explain things clearly and using the right phrases and terminology If typing in chat or using headset. So the writing part of the application is very important as is why grammar and length is a main part of whether you get accepted.
A few improvements for your application is that it could be laid out a little better as it looks like one big block of text. Try to experiment using different spaces between paragrahs and using different colours. I would also suggest to look at other applications where the user was accepted to see how to lay it out and what content to provide in the application. Another would be to try and expand some of your answers.
Best of luck with this application but for me it is a