A fitness evaluation is necessary at those ages in order to evaluate the present fitness levels of the body and design a regime to improve or maintain the level.
<h3>What is Fitness Evaluation?</h3>
Fitness evaluation is the process of evaluating the fitness levels of the present state of the body system.
It is however important to check it at those age ranges as they help in the preparation of the required and suited fitness regimes for the individuals involved.
Read more about Fitness here brainly.com/question/18267504
<h3>Ionisation energy:-</h3>
Ionisation energy is the minimum amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated neutral gaseous atom or molecule...
Once a year or possibly for a physical when you are doing a sport or camp. Hope this helps!