What is the importance of integrating informal practice into formal sports practice environments? To promote the development of physical, cognitive...

What is the importance of integrating informal practice into formal sports practice environments?
To promote the development of physical, cognitive, social, and psychological skills of the practitioner
To provide a complementary activity to formal practice
To expand the development of a broad motor repertoire
To promote the development of creativity and critical thinking
I- The formal practice is the only one recognized as a promoter of sports performance development.
II- The amount of formal practice is the only factor that influences the level of performance achieved by practitioners.
III- Informal practice is present mainly in the early stages of the practitioner's sports training.
IV- The integration of informal practice into formal practice environments is the responsibility of coaches.
a) I and II are correct.
b) II and III are correct.
c) III and IV are correct.
d) I and IV are correct.