Selenium Contamination of Western Soils Is Related to

question 28

Multiple Choice

Selenium contamination of western soils is related to

• A) the application of chemicals by farmers.
• B) reliance of natural precipitation with no irrigation.
• C) concentration of a natural element in the soil through irrigation drainage collection.
• D) none of the above

---

Definitions:

Labor-Force Participation Rates

The share of the labor force within the working-age bracket that is either working or actively searching for work.

Labor-Force Participation Rate

The proportion of the working-age population that is either employed or actively looking for employment.

Unemployment Rate

The percentage of the labor population that is job-free but in active pursuit of employment.

Labor-Force Participation Rate

The portion of the working-age population that is engaged in or seeking employment, including both employed and unemployed individuals.