The Concentration of Carbon Dioxide in the Atmosphere Is Now

question 63

True/False

The concentration of carbon dioxide in the atmosphere is now 26% higher than 200 years ago.

---

Definitions:

Anxiety

A sense of tension or concern, generally caused by an impending event or an outcome that is undecided.

Reinforcement

In psychology, a consequence applied to an organism's behavior that increases the likelihood of the behavior recurring in the future.

Learning Through Observation

Acquiring new behaviors, skills, or information through watching others, also known as observational learning or social learning.

Fear of Snakes

An evolutionary and commonly found phobia or intense fear of snakes, known scientifically as ophidiophobia.