Human Impacts on the Environment

2. The number of people born per 1,000 individuals for a certain period of time.
4. The number of deaths per 1,000 individuals in a certain period of time.
8. pollutants released into the air
9. A widely spread source of pollution that is difficult to link to a specific point of origin.
10. The practice of using less of a resource so that it can last longer.
11. The water and human wastes that are washed down sinks, toilets, and showers.
13. A form of oxygen that has three oxygen atoms in each molecule instead of the usual two; toxic to organisms where it forms near Earth’s surface.
14. A condition in which the number of humans grows beyond what the available resources can support.
17. A specific source of pollution that can be identified.

1. Using a resource in ways that maintain it in a certain quantity or amount for a certain period of time.
3. Rain or another form of precipitation that is more acidic than normal, caused by the release of molecules of sulfur dioxide and nitrogen oxide into the air.
4. The removal of forests to use the land for other reasons.
5. A rate of change that increases more and more rapidly over time.
6. The advance of desert-like conditions into areas that previously were fertile; caused by overfarming, overgrazing, drought, and climate change.
7. represents the breakdown of the population by gender and age at a given point in time.
10. the process when corals become white due to various stressors, such as changes in temperature, light, or nutrients.
12. a fog made heavier and darker by smoke and chemical fumes
15. The process by which water, ice, wind, or gravity moves weathered particles of rock and soil.
16. A type of pollution caused by factories and power plants releasing superheated water into bodies of water.