How Many Years Elapsed Between the Scientific Community's First Warnings

question 80

Multiple Choice

How many years elapsed between the scientific community's first warnings about CFCs and the political community's response to the need to reduce CFCs? 

• A) 1 year 
• B) 5 years 
• C) 10 years 
• D) 15 years

---

Definitions:

Dosage Variations

Differences in the amount or concentration of a medicinal substance prescribed or administered.

Double-Blind Experiment

A study design where both the participants and the researchers are unaware of which individuals receive the treatment or the placebo, eliminating bias.

Insomnia

A common sleep disorder involving difficulty falling asleep, staying asleep, or achieving restorative sleep.

Yoga Classes

Organized sessions where individuals practice yoga for health, relaxation, or educational purposes.