What scientific principle does Schlosser's narrative often parallel?

In Schlosser's narrative, the parallel to the laws of supply and demand in economics is particularly significant as it highlights the interdependence between consumer behavior and market dynamics within the fast-food industry. Throughout the book, Schlosser explores how fast food companies respond to consumer desires for convenience, affordability, and quick service. He illustrates how these preferences drive business strategies, from pricing to marketing, demonstrating the essential relationship between supply (the products offered by fast-food chains) and demand (the customers’ willingness to purchase those products).

This focus on economics allows readers to understand the broader implications of the fast-food industry, including labor practices, agricultural policies, and health impacts. By examining how supply and demand shape both corporate decisions and public health outcomes, Schlosser underscores the complexities of the fast-food landscape and invites reflection on consumer agency and responsibility.

The other principles mentioned do not align as closely with Schlosser's themes. Energy conservation relates more to physics and environmental considerations, natural selection pertains to biological evolution, and the theories of relativity involve complex concepts of space and time, which are not central to Schlosser's analysis of the fast-food industry.