Across
- 1. The provision of clean drinking water and adequate human waste disposal.
- 3. An internal mechanism of the body that regulates physical and mental functions in rhythm with normal daily activities.
- 6. the introduction of hazardous substances into the environment.
- 7. The amount of carbon dioxide and other greenhouse gases caused by a particular person or group.
- 9. The environment that is specific to you.
- 10. The environment that extends beyond national boundaries.
Down
- 2. rain with an increased acidity (lower pH) due to pollutants in the air (usually nitrate and sulfates)
- 4. A gas that contributes to climate change, also known as the greenhouse effect.
- 5. The environment that is shared, up to the national level.
- 8. An increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect.