What Commonly Used Pesticide Caused Declines in Bird Populations in the 1950s

question 7

Multiple Choice

What commonly used pesticide caused declines in bird populations in the 1950s and 1960s by weakening the shells of bird eggs?

• A)DDT
• B)2,4-D
• C)Roundup
• D)Malathion

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Definitions:

Variable Cost

Expenses that vary with the level of production or sales volume, including costs such as raw materials and direct labor.

Production Increases

A rise in the amount of goods and services produced by a company, often achieved through enhanced efficiency or expanded capacity.

Total Variable Costs

The sum of all costs that vary with the level of production or service delivery, such as materials and labor.

Activity Level

A measure of the amount of work or output produced in a specific period, often used in cost accounting to allocate variable costs.