The First Time Scientists Hypothesized That Changes in CO₂ Concentrations

question 114

Multiple Choice

The first time scientists hypothesized that changes in CO₂ concentrations could cause climatic changes by trapping heat in the lower atmosphere was

• A) before the U.S.Civil War.
• B) around the time of World War I.
• C) around the time of World War II.
• D) during the 1950s.
• E) during the 1970s.

---

Definitions:

Manufacturer

A company or person that produces finished goods from raw materials in large quantities for sale.

Risk

The potential for losing something of value or the exposure to danger, harm, or loss, often evaluated in decision-making processes.

New And Improved

Phrasing often used in marketing to indicate that a product has been updated or enhanced.

Indefinitely

Describes an action or condition that does not have a clearly defined end time.