Answer:
Demographics can include any statistical factors that influence population growth or decline, but several parameters are particularly important: population size, density, age structure, fecundity (birth rates), mortality (death rates),
Explanation:
It is penis that insert sperm to other so
Not so much think PE class is just another class and I use it as a study just like hang with my boys and play basketball for a hour I make my brain get loose and not think about anything
Your grades should not be impacted at all just stay on task in your real classes though