The Scientist Who Developed a System of Identifying the Variety

question 3

Multiple Choice

The scientist who developed a system of identifying the variety of strains of streptococci was

• A)Hans Zimmer.
• B)Donald Sutherland.
• C)O.T.Avery.
• D)Rebecca Lancefield.

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Definitions:

Leading Export

Refers to the primary goods or services that a country exports the most, making a significant contribution to its economy.

Exports

Merchandise or services transferred for sale or exchange from one country to another.

Imports

Products or services that are imported into a country from overseas to be sold.

Production Possibilities Curves

A graphical representation showing the maximum quantity of goods and services that can be produced within an economy, given fixed resources and technology, when those resources are fully and efficiently utilized.