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this is the best answer:In recent years, positive psychology has emerged as an area of study seeking to identify and promote qualities that lead to greater happiness and fulfillment in our lives.
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Separating Mixtures
The components of a mixture keep their own identity when they combine, so they retain their physical properties. Examples of physical properties include boiling point, ability to dissolve, and particle size.
The Federal Student Aid PIN (also known as a FAFSA PIN) is a four-digit personal identification number that serves as an electronic signature on the FAFSA .