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A mass is transferred in a normal star in a binary system toward a white dwarf, the material forms a rapidly growing whirlpool of material known as a(n)
Public Relations
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Marketing efforts that involve paying for space or airtime to promote products, services, or ideas.
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Marketing activities aimed at increasing demand for products by offering incentives to wholesalers, retailers, or customers, typically in a limited period.
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Organizations that assist in moving goods and services from producers to consumers.
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