​Match Each Mineral and Vitamin with Its Function

question 19

Multiple Choice

​Match each mineral and vitamin with its function.
-​is a component of thyroid hormones

• A)​calcium
• B)​iodine
• C)​iron
• D)​potassium
• E)​zinc
• F)​vitamin A
• G)​vitamin B₃
• H)​vitamin B₁₂
• I)​vitamin E
• J)vitamin K

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Definitions:

Tradable Permits

Government-issued rights or allowances that permit the holder to emit a certain amount of a substance; can be bought, sold, or traded.

Common Resource

A resource like air or water that is not owned by anyone, but is available for use by everyone, often leading to overuse and depletion.

Marginal Social Benefit

The extra advantage to the community when one additional unit of a product or service is made.

Negative Externalities

External costs.