Final answer:
Moderate vs. vigorous-intensity activities can be determined through the Talk Test, assessing the ability to talk during exercise.
Explanation:
The Talk Test
Moderate-intensity aerobic activity allows individuals to talk but not sing, while vigorous-intensity activity restricts speech to a few words without pausing. This method helps gauge the level of exertion during physical activity.
Perceived Exertion
Monitoring the ability to carry on a conversation during exercise can indicate the intensity level. If conversation is challenging due to increased breathing, the intensity is likely higher.
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