1. What is ozone depletion?
Decreasing of ozone in stratosphere
2. What is the cause of ozone depletion?
CFC
3. What are the impacts of ozone depletion?
Skin cancer, cataract, inhibit photosynthesis
(destroy crops),
increase temperature of water (thermal pollution)
4. How to prevent ozone depletion?
Reduce using CFC ex. Turn off A/C after used
Change to HFC