Final answer:
Physical health is the core domain that includes nutrition and self-care skills. It involves maintaining a balanced diet, practicing good personal hygiene habits, and participating in wellness activities.
Step-by-step explanation:
The core domain that includes nutrition and self-care skills is Physical health. Physical health encompasses a variety of factors, including diet and nutrition, personal hygiene, and wellness activities. It is important to have a balanced diet, maintain good personal hygiene habits, and engage in wellness activities to achieve and maintain optimal physical health.