Which statement best describes an emulsifier's role in drink emulsions?

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Emulsifiers stabilize drink emulsions by reducing the interfacial tension between immiscible liquids and forming a protective layer around dispersed droplets. This makes small oil droplets stay suspended in water after mixing, so the beverage remains uniform instead of quickly separating. The key idea is that the emulsifier acts during agitation to enable and maintain dispersion, not to freeze the mixture, sweeten it, or change its color. For example, ingredients like lecithin help oil-based flavors stay evenly distributed when you shake or blend a drink, preserving texture and appearance.