Which Mode of Has Lost Volume of Freight Between 1990

question 5

Multiple Choice

Which mode of has lost volume of freight between 1990 and 2006?

• A) Air
• B) Pipeline
• C) Rail
• D) Water

---

Definitions:

Purely Competitive Firm

A firm that operates in a market where there are many buyers and sellers, all products are identical, and there are no barriers to new firms entering the market.

Vertical Axis

The “up-down” or “north-south” measurement line on a graph or grid.

Marginal Revenue

The financial gain from disposing of one extra unit of a product or service.

Average Revenue

The amount of income generated per unit of sale or the total income divided by the number of units sold.