Which Two Names Are Linked with the Development of the Iron

question 22

Multiple Choice

Which two names are linked with the development of the iron lung, which was extensively used to treat the polio epidemic in the 1950s?

• A)Allison and Smyth
• B)Drinker and Emerson
• C)Drager and Bennett
• D)Byrd and Tyler

---

Definitions:

Saving Rate

The proportion of income that is not spent on consumption but rather saved or invested.

Long-Run Economic Prosperity

A state of economic health in a society, characterized by sustainability, growth, and a high standard of living over a long period.

Marginal Tax-Rate

The additional tax paid for every additional dollar earned as income, indicating the percentage of tax applied to your income for each tax bracket.

State And Federal Taxes

Taxes imposed by state and federal governments on individuals and businesses for various types of income, sales, property, and other activities.