If Desert or Semidesert Soils Are Irrigated for Long Periods

question 47

Multiple Choice

If desert or semidesert soils are irrigated for long periods of time:

• A) the soil remains fertile and productive.
• B) salt accumulates and destroys fertility.
• C) salinization improves soil fertility.
• D) the water becomes too silty to use.

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Definitions:

Price Support

Government intervention in a market to maintain the price at a certain level, usually done through the purchase of surplus stock or direct subsidies to producers.

Price Floor

A minimum price, set by law or regulation, that must be paid for a good or service; often implemented to protect producers.

Price Support

Government interventions in the market to maintain the price of a commodity at a certain level.

Demand Curve

A chart that illustrates the link between a product's price and the amount of the product that buyers are prepared and capable of buying at different price levels.