Gravel Is Made by Hand in Nepal, but by Machine

question 59

Multiple Choice

Gravel is made by hand in Nepal, but by machine in the U.S. because

• A)the marginal product of labor is higher in Nepal than in the U.S.
• B)capital is much more expensive in the U.S.than in Nepal.
• C)of consumer preferences.
• D)the relative prices of labor and capital differ so dramatically in the two countries.

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Definitions:

Primary Succession

The process of habitat colonization and ecosystem development in an area where no community previously existed, such as on bare rock.

Soil Formation

The process by which weathering of rock and organic interactions lead to the development of soil layers or horizons, essential for plant growth.

Lichens

Lichens are symbiotic organisms composed of fungi and either algae or cyanobacteria, known for their ability to grow on and weather rocks and other surfaces.

Plant Diversity

The variety and variability of plant species within a specific region, ecosystem, or the planet as a whole.