Prior to 1972,a Pesticide Called DDT Was Used Widely in the United

question 19

Multiple Choice

Prior to 1972,a pesticide called DDT was used widely in the United States,but was found to pose risks to human health and wildlife.The concentration of the nonpolar pesticide DDT would have been highest in which of the following,when still in use?

• A) algae
• B) a seagull
• C) a minnow
• D) plankton
• E) a mosquito larva

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Definitions:

Constant-Cost Industry

An industry where the costs of production do not change as the overall level of production increases or decreases.

Long-Run Supply

The total amount of a good or service that is available in the market over a long term, taking into account adjustments in production and entry or exit of firms.

Decreasing-Cost Industry

An industry where increased production leads to lower costs per unit, typically due to economies of scale or technological improvements.

Slopes Upward

A term used to describe a line or curve on a graph that increases in value as it moves from left to right.