College isn't necessarily a prerequisite to a job writing magazine copy, all you really need to do is write in such a way that people want to read it. To communicate well requires skill. Most people learn that skill in a formal environment such as college. If you can demonstrate your ability without attending college, go for it. On the other hand, most people don't consider you to be serious unless you have a 4 year Bachelors of Science degree.
By learning how to write -- and you do that by reading a lot and writing a lot. Practice and study make a good writer. Study the writers you enjoy reading to see how they do it, then practice doing it yourself.
Don't think it would take long, just try out for singing, and if your good, and are accepted, you'll probably have to practice singing, until they accept you to become a singer and become famous. (The singer does not make the songs, the writer does *wink*)
about 8 years
A long time 😃
You don't audition. Study composition. Go to Nashville, LA etc. and network your butt off.
Yes. Many schools offer these kinds of academic courses of study.
i think we should study for 3 to 4 years
There is no special to become a writer, in fact the only way to become a writer is to spend time writing. Like the old mantra says practice practice practice. This is the only way to become a writer.
Basicly... your entire life.
You must read always
It depends on how great you want to be because it takes long years to gain thinking skills to be a science writer=•=
over one million years