The Earth's Crust in Midocean

question 21

Multiple Choice

The earth's crust in midocean

• A) is always solid and thin relative to the continents.
• B) is always solid and thick relative to the continents.
• C) may have rifts through which molten rock rises and spreads out.
• D) may have rifts through which the ocean floors sink downward.

Determine the equilibrium quantity and price in a market.

Understand the concept of producer surplus and how it is affected by market changes.

Calculate changes in consumer surplus due to shifts in price.

Identify the effects of market equilibrium changes on consumer and producer surplus.

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