A will be the answer because usually marking your exercise days will become a habit because lets say you would do a running exercise but you want to do it in a certain day well if you mark it on the calendar, it'll become a habit.
Answer:
That sucks i remember when i had to do it lol i hated it im srry you have to do it
Explanation:
Answer:
late adolesecence (Or however you spell it)
Explanation:
textbook
