Use the Following to Answer Question(s)

question 189

Multiple Choice

Use the following to answer question(s) :
Exhibit: Sugar and Freight Trains

-(Exhibit: Sugar and Freight Trains) Suppose the economy is operating at point B. The opportunity cost of producing the third freight train would be:

• A) 6 tons of sugar.
• B) 19 tons of sugar.
• C) 45 tons of sugar.
• D) 80 tons of sugar.

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Definitions:

Humus Material

Organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.

Drought-Resistant

Traits in plants that enable them to survive with minimal water.

Species

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding, forming the basic category in biological classification.

Groundwater

Subsurface water occupying the saturation zone of soils and rocks, acting as a critical source of drinking water and agricultural irrigation.