-According to the Model Depicted in This Figure, in Approximately

question 18

Multiple Choice

-According to the model depicted in this figure, in approximately what year are fossil fuels and nuclear power first expected to provide less than half of the energy consumed in the U.S.?

• A) 2025
• B) 2040
• C) 2045
• D) 2020
• E) 2030

---

Definitions:

Bantu

A large group of African languages and their speakers, originating from the Niger-Congo region and spreading across much of sub-Saharan Africa.

Social Structure

The organized pattern of social relationships and social institutions that together compose society, influencing behaviors and relationships.

Neolithic

The New Stone Age; a prehistoric period beginning about 10,000 years ago in which peoples possessed stone-based technologies and depended on domesticated crops and/or animals for subsistence.

Division of Labor

The allocation of different tasks and responsibilities to different individuals or groups, typically to increase efficiency in production or services.