The Fact That Roses Have a Distinctive and Similar Fragrance

question 227

Multiple Choice

The fact that roses have a distinctive and similar fragrance regardless of where they are found is explained by the fact that

• A) they produce molecules of similar shape that match the olfactory receptors.
• B) the airborne molecules activate the vestibulary receptors for the floral fragrances.
• C) they produce similar numbers of gaseous molecules.
• D) the floral smell of roses is one of the four primary scents.

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Definitions:

Frontier

The edge of a settled area, or the boundary between the known and unknown, often associated with westward expansion in American history.

Railroads

Systems of tracks along which trains run, a major form of transportation for both goods and passengers, historically significant in the development and expansion of countries.

Development

The process of economic growth, expansion, or realization of social and cultural potential within a country or region.

Railroad Industry

The sector of the economy focused on the construction, operation, and maintenance of railways for the transport of goods and passengers.