Answer:
before age 8 years in females or age 9 years in males
Explanation:
Precocious puberty is defined as the onset of Tanner 2 secondary sexual characteristics before age 8 years in females or age 9 years in males if continued progression of pubertal development occurs in close follow-up
Bacteria is something else that you would need to know
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.
a constructive relationship could influence your wellbeing in a good way because it could give you confidence and it could leave you in a good mood whcih as everyone knows is good. a desrtuctive relationship can be bad for your wellbeing because it could leave you sad or depresserd and having bad thoughts and juist leave you in a bad mood all day and that can affect your work attitude and productiveness among other things.