Which of the Following Minerals Is a Major Component of Hemoglobin

question 2

Multiple Choice

Which of the following minerals is a major component of hemoglobin?

• A)iron
• B)calcium
• C)iodine
• D)phosphorous
• E)more than one of these is a major component of hemoglobin

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Definitions:

Income Effect

How an alteration in income for either a person or an economic system influences the demand levels for a certain good or service.

Price Ceiling

A legally imposed maximum price on goods or services, beyond which they cannot be sold.

Quantity Demanded

The total amount of a good or service that consumers are willing and able to purchase at a given price.

Surplus

A situation where the quantity supplied exceeds the quantity demanded, or when revenues exceed expenses.