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Let’s learn about the words “essential,” “advance,” “longevity,” and “modify.” I’ll go through what they mean and how to use them! Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/ela/8th-grade-reading-and-vocabulary/x435b1de09a877dd7:to-your-health ...
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