Final answer:
Aerobic activities are exercises that increase heart rate and breathing for an extended period. Soccer, swimming laps, and cross-country skiing are all examples of aerobic activities.
Step-by-step explanation:
Aerobic activities are exercises that increase your heart rate and breathing for an extended period. They require oxygen to meet the body's energy demands. Soccer, swimming laps, and cross-country skiing are all examples of aerobic activities because they promote cardiovascular fitness and improve endurance.
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