The correct answer is D. Formal operational stage.
There are stages which are intellectual development for piaget's. For example, Formal operational, , concrete operational, preoperational and sensorimotor which occurs during birth to the age of twenty four years.
Piaget's theory shows development of intelligence of development and the reorganization of mental which results from maturation of biological and environmental experience.
False. You should incorporate many different areas of fitness. You may focus on running, but you should try other things like yoga, cross fit, etc. This can help you keep all parts of your body fit and healthy.
I hope this helps!
The correct answer is D. all of the above
