Which of the Following Was Not an Energy Source on Early

question 51

Multiple Choice

Which of the following was not an energy source on early Earth?

• A) volcanoes
• B) meteorites
• C) lightning
• D) ozone layer
• E) ultraviolet radiation

---

Definitions:

Knights of Labor

A significant American labor organization in the late 19th century, advocating for the rights of workers, including shorter workdays and an end to child labor.

Terrence V. Powderly

A leader of the Knights of Labor, a key labor organization in the United States during the late 19th century, which aimed to promote workers' rights and social reform.

African-Americans

An ethnic or racial group in the U.S. that has heritage from any of the African black racial groups.

Labor Movement

A social and economic campaign advocating for workers' rights and interests, including better pay, working conditions, and hours.