What Type of Metamorphic Rock Was Once Used to Make

question 30

Multiple Choice

What type of metamorphic rock was once used to make blackboards because of its ability to split easily into thin sheets along smooth,parallel surfaces?

• A)hornfels
• B)quartzite
• C)schist
• D)slate

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Definitions:

Demand Curve

A graphical representation showing the relationship between the price of a good or service and the quantity demanded by consumers at various price levels.

Consumer Surplus

The divergence between the aggregate amount consumers are willing and have the means to pay for a good or service, and what they truly pay.

Producer Surplus

The disparity between what sellers are ready to take for a product or service and the actual amount they get.

Minimum Imposed Price

A price floor set by the government or other regulatory body, above the equilibrium price, to prevent prices from falling too low.