In Recent Years,garbage Collection Has Changed Dramatically

question 96

Multiple Choice

In recent years,garbage collection has changed dramatically.Twenty-five years ago a crew of up to 4 or 5 workers and 1 truck collected residential garbage.Now collection is often done by one driver and 1 more fully automated truck.What is an explanation for this change?

• A)Over long periods of time,labour is always replaced by capital.
• B)Over long periods of time,capital is always replaced by labour.
• C)Firms and municipalities substituted away from an increasingly expensive factor (labour)and toward an increasingly inexpensive factor (capital).
• D)Firms and municipalities substituted away from a factor whose price was falling (labour)and toward a factor whose price was rising(capital).
• E)The marginal product of labour was falling over time while the marginal product of capital was rising.

---

Definitions:

Environment

The surrounding physical, chemical, and biological factors and conditions that influence the growth, development, and survival of organisms.

Behavior

The actions or reactions of an organism, often in response to its environment.

Altruistic Behavior

Occurs whenever a helping individual behaves in a way that benefits another individual at a cost to its own fitness.

Hamilton

A city in Ontario, Canada, known for its industrial heritage, or referring to William D. Hamilton, a biologist who made significant contributions to the theory of evolution.