The letter b will be your answer
He is able to express himself and exercises more. That’s why he’s happy.
Answer:
Progressive overload
Explanation:
Progressive overload involves is a type of training that involves working the muscles in a continuous and consistent manner to achieve increased strength and endurance.
This is done by application of trainings such as tempo runs which subjects the body to how long it can endure certain strenuous conditions and to try to improve on them.
It will most likely be a blend, for example a Kotpies is the offspring of a Siamese cat and a Pug dog.
I believe #7 is A, and #8 is A :)