1. 12-2 Air, Noise, and Light Pollution Page 309

2. A. Effects of Air Pollution on Health 1. Short term effects may be reversible if exposure is decreased.

3. A. Effects of Air Pollution on Health 2. Short term effects include headache, nausea, irritation to eyes/nose/throat, coughing, respiratory infections (bronchitis, pneumonia.

4. A. Effects of Air Pollution on Health 3. Long term effects include emphysema, lung cancer, and heart disease.

5. A. Effects of Air Pollution on Health 4. Increased risk for children's developing lungs and older people with existing medical conditions.

6. B. Indoor Air Pollution 1. At times worse than outside due to all the chemicals use to make carpets, furniture, paint, etc.

7. B. Indoor Air Pollution 2. Buildings with very poor air quality have a condition called sick-building syndrome.

8. B. Indoor Air Pollution 3. Common in buildings that are tightly sealed to keep out the heat.

9. B. Indoor Air Pollution 4. Asbestos, now banned, was commonly used in buildings as an insulator and fire retardant cause extensive damage to the lungs.

10. C. Noise Pollution 1. Unwanted sound is noise pollution.

11. C. Noise Pollution 2. Hearing loss has doubled in the U.S. since the 1970s.

12. C. Noise Pollution 3. 14.9% of teens have permanent hearing loss.

13. C. Noise Pollution 4. The intensity of sound is measured as the unit of decibels (dB).

14. D. Light Pollution 1. Can increase stress, headaches, fatigue, and anxiety in humans.

15. D. Light Pollution 2. Diminishes view of the sky!

16. D. Light Pollution 3. Concerns for wildlife – Disrupts patterns of migrating birds – Disorients baby sea turtles

17. D. Light Pollution 4. Additional concerns include energy waste.