Principle of Reversibility is the decline of skill and fitness level due to taking a break from exercise or being inactive.
It is called such because all the result of hardwork and labor done to achieve and maintain one's skill and fitness level will be reversed because said fitness regime is not maintained; making the body lax, eventually declining in skill performance and fitness level.
Answer:
Empathy. Hope this helps :)
Explanation:
<span>The stage where a person develops life skills
and learns to take initiative is during adolescence. On this stage, a person
gets to experience new life skills on their own. This time, maturity starts,
and a person learns to take initiative on anything that he would like to
achieve in his life. This is the stage where independence is given, a chance for
a person to take on certain challenges and responsibilities to be prepared to a
later stage called adulthood.</span>
<span>It's a promise that has been traded in which the both parties have shared the same term.</span>