It takes takes 7 years of full-time study after high school-4 years of undergraduate study, followed by 3 years of law school to become a lawyer.
You study however mUch you need to study and the most time on what your having a hard time and the less time on witch your excellent on :-)
How much study time do you have?
A long time 😃
'Scientist' is a meaningless term. You probably want to find exactly which type of research you would like to do and start your career search from there.
Working theory
there is no specific limit of hours to study. it depends on the quality of your study. start from day one.
A person who makes ceramics is called a ceramist.
in the usual amount of time, you have to study in university for about 4 years to become a good civil lawyer. To be a great lawyer, people tend to study for 6 years. I have found a woman to have sex with so i will give up my dream on being a civil lawyer.
Define "study". A med student can listen to music, or even play it; but serious study will have to wait for graduation.
Lots. Home might be a dorm.
Infinite time because every thing is always new.....