Select the Correct Past Participle for Each Blank

question 13

Multiple Choice

Select the correct past participle for each blank. For many decades, tungsten filaments have been ____ by makers of contemporary light bulbs, with life spans of 750 to 4,000 hours.

• A) use
• B) used

Comprehend the factors influencing the demand for labor and other resources.

Analyze the impact of price changes on resource demand and supply.

Identify the substitution and output effects and their implications for firm decisions.

Understand the derived demand for labor and other resources.

---

Definitions:

Lower Income Children

Children from families with income levels significantly below the national median, potentially facing financial hardship and limited access to resources.

Central America

A geographical region in the Americas bounded by Mexico to the north, Colombia to the southeast, the Caribbean Sea to the east, and the Pacific Ocean to the west.

Nonprofit

Organizations primarily aimed at serving public or community interests, operating without the intention of making profits for owners or shareholders.

Ethnic Composition

The demographic distribution of different ethnic groups within a population.