1. Their weight should be in their age range, height rage, and their daily routine because all of those sum up to your personal weight as you grow.
When the immune system attacks itself.
B. Riding a bike after school
Smoking tobacco, spending time with violent people, and using drugs are all bad and unhealthy behaviors while riding your bike promotes exercise.
The answer is
M= log (Xy/zpower3)
There really isn’t an answer for your question. Sorry.