During the Time of Pangaea, an Ancestor of Modern Crocodiles

question 94

Multiple Choice

During the time of Pangaea, an ancestor of modern crocodiles inhabited the region marked by the star in this map (left in the figure below) .
Where would you expect to find fossils of this animal today (the map on the right) ?

• A)Northern Hemisphere
• B)on every continent
• C)Africa
• D)Antarctica

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Definitions:

MR

Stands for Marginal Revenue, which is the additional revenue gained from selling one more unit of a product or service.

MC

Short for Marginal Cost, it refers to the increase in total cost that arises from producing one additional unit of a good or service.

Minimum ATC

The point at which the average total cost of production is at its lowest, indicating the most efficient scale of production.

Demand Schedule

A table of numbers showing the amounts of a good or service buyers are willing and able to purchase at various prices over a specified period of time.