Queries about CA course

) what is a CA course about? 2) what CA 'S do in real world ? 3) do CA 'S can earn huge ? 4) is doing CA worth in 2020 5) what is this course future in upcoming 5-10 years ? 6) for what reasons CA 's get paid ?? 7)why should any body approaches CA is there any crucial role they plays in society ?? 8) how much income can a CA earn quote in minimum to maximum and source ?9) is artifical intelligence is going to replace CA'S in future? 10) is CA good career option to live in this modern world ? 11) is every subject knowledge included in this course can make money in real world ? 12) what we can learn in articleship time ? 13) why article ship stipend is so low ? 14) is there any substitue profession for CA? so any body knows answers for this questions please reply i know there is a lot of questions sorry for that but these questions are eating my mind always