Final answer:
Swimming and running are the most vigorous pair of activities outside of school.
Step-by-step explanation:
The pair of activities that will accomplish the most vigorous physical activity outside of school are swimming and running.
Swimming is a full-body workout that engages various muscles, including the arms, legs, and core, providing a cardiovascular challenge. Running is a high-intensity exercise that helps build endurance and strength in the lower body. Together, swimming and running can contribute to a well-rounded workout routine.
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