Jill, an Economics Student, Has Already Spent Five Hours Cleaning

question 190

Multiple Choice

Jill, an economics student, has already spent five hours cleaning her room. In deciding whether or not to continue cleaning for another hour, she applies the economic principle of

• A) choosing at the margin.
• B) scarcity.
• C) productivity.
• D) ceteris paribus.

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Definitions:

Producer

Organisms, often photosynthetic plants or algae, that create organic matter from inorganic substances, serving as a foundational energy source in an ecosystem.

Carnivore

An organism that primarily consumes meat for its diet, either by hunting or scavenging other animals.

Carbon

A chemical element with the symbol C, essential to all known life, capable of forming a vast number of compounds including CO2 and organic materials.

Peatbogs

A type of wetland ecosystem characterized by the accumulation of acidic peat, a deposit of dead plant material, often moss.