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DSST Environment And Humanity
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DSST Environment And Humanity
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25 Questions

1. A greenhouse gas which also plays a key role in regulating ozone levels.

2. Organisms which produce their own food.

3. Political organizations not affiliated with the government which try to bring about social change.

4. A shubland found primarily in the South-Western United States and Mexico. Fire plays a predominant role in the life-cycle of the plants in this area - the seeds of which will sprout only after a fire.

5. An act which protects certain lands as national parks.

6. An act which required the EPA to set standards for drinking water.

7. Surface run-off caused by melted snow.

8. The spraying of pesticides to keep produce from any injuries or damage.

9. Exceptionally acidic (low pH) rain. This phenomenon is caused mainly by emissions of carbon dioxide - sulfur dioxide - and nitrogen oxide which react with water particles in the air.

10. A philosophy that extends ethics to non-humans. Under this system - animals - plants - and other aspects of the environment are seen as being deserving of justice and consideration.

11. A form of management which attempts to satisfy both the needs of humans and those of wildlife in the best way possible for both parties.

12. The process by which certain kinds of bacteria convert atmospheric nitrogen gas into ammonia - a form accessible to living creatures.

13. The decomposition of organic nitrogen into inorganic ammonium. This process is also called mineralization.

14. An extinct hominid species believed to have long - ape-like arms; have a brain capacity half that of modern men; and use primitive tools.

15. The place of an organism in an ecosystem - such as what it eats and how it interacts with other organisms.

16. A situation where a layer of warmer air traps lower - cooler air - causing pollution to collect near the ground.

17. A community of species interacting with their nonliving (abiotic) environment.

18. A UN conference held in Rio de Janeiro. The conference decided to protect biodiversity - reduce pollution emissions and greenhouse gasses - and promote sustainable development.

19. Species which react quickly to an environmental change and therefore can be used to diagnose a particular ecosystem.

20. The position of an organism on the food chain.

21. An international convention which created the framework for protecting the ozone layer.

22. A theory that our current ecological problems are a product of deeper social problems.

23. Organisms which thrive in high nutrient environments - especially those with plenty of carbon.

24. Biomes far north in North America - Europe - and Asia which - due to very low temperatures - cannot support tree growth.

25. A group of similar organisms capable of interbreeding.

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