Examlex
Is the ozone that is found near the Earth's surface a primary or a secondary pollutant? When during the day do you expect to find the peak concentrations of ozone? What are some of the environmental concerns associated with ozone?
1920s
The decade spanning from 1920 to 1929, characterized by significant social, economic, and cultural changes following World War I.
Punishment
A stimulus or event that decreases the likelihood of the behavior that it follows occurring again in the future.
Negative Reinforcers
Stimuli whose removal following a behavior increases the likelihood of that behavior being repeated in the future.
Spontaneous Recovery
The reappearance of a previously extinguished response after a period without exposure to the conditioned stimulus.
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