Final answer:
In planning a personal activity program, it is important to vary forms of exercise because different forms of exercise improve elements of fitness.
Step-by-step explanation:
In planning a personal activity program, it is important to vary forms of exercise because different forms of exercise improve elements of fitness. Engaging in a variety of exercises targets different muscle groups and helps to develop overall strength, flexibility, and cardiovascular fitness. For example, incorporating both aerobic exercises like running or swimming and strength training exercises like weightlifting or bodyweight exercises can help improve various aspects of fitness.
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