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The energy of a quantum of radiation in a vacuum that has a wavelength of 447 nm is approximately
Marriage
A legally and socially sanctioned union between individuals that establishes rights and obligations between them.
Money
A medium of exchange in the form of coins and banknotes; used to purchase goods and services or measure value.
Need for Achievement
A psychological drive that influences an individual to pursue and achieve goals.
Delay Gratification
The ability to resist the temptation for an immediate reward and wait for a later, often larger or more enduring reward.
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