____ Occurs When Unsafe Water Flows into the Potable System

question 4

Multiple Choice

____ occurs when unsafe water flows into the potable system because the unsafe water is at a higher elevation.

• A) Back-pressure backflow
• B) Gravity backflow
• C) Back-siphonage backflow
• D) Capillary backflow

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Definitions:

Total Surplus

The aggregate benefit to society, represented by the consumer and producer surplus, from the consumption and production of a good or service.

Value to Buyers

The perceived benefit or satisfaction that consumers derive from purchasing and consuming a product or service, influencing their willingness to pay.

Costs to Sellers

The expenses incurred by sellers in producing and selling a product, which can include materials, labor, and overhead.

Market Price

The ongoing value at which an item or service is available for buy or sale within a market context.