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Anthropogenic Activities And Their Impacts On Environment Quiz 1 (25 MCQs)

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1. If the Earth is like a greenhouse, carbon dioxide in the atmosphere is like
2. Deforestation can lead to what?
3. A large number of woodland animal populations are much smaller than they were 100 years ago. One of the primary reasons these populations have been reduced is-
4. The clearing, or cutting down, of forests and is one of the biggest reasons for global warming.
5. Which of the following is considered to be a factor affecting Earth's ozone layer?
6. How many babies are born every second?
7. The removal of trees and other plants from an area
8. Which country has the largest CO$_{2}$ emissions?
9. Problem caused by increased levels of CFC's in the atmosphere
10. There are many sources of air pollution in the United States and around the world. Some are natural sources, and others come from human activities. Which example is a natural source of air pollution?
11. Methane (CH$_{4}$), carbon dioxide (CO$_{2}$) and ozone (O$_{3}$) are classified as
12. Burning fossil fuels can help contribute to _____
13. What helps keep our Earth's surface warm?
14. Methods used to reduce sulfur dioxide emissions from smokestacks are an attempt by humans to
15. What symbol is used to represent human affect on the environment?
16. Not turning off the water when you are brushing your teeth wastes which resource?
17. Which is not a factor with "more people" ?
18. The construction of a new coal-burning power plant would have the greatest impact on which environmental issue?
19. Which of the following is a benefit of organic gardening?
20. Eutrophication is caused by
21. This chemical is responsible for the depletion of the ozone
22. Many uses of land, including logging, mining, and farming, expose the soil, which can lead to:
23. What affect does logging (removal) of trees have on the geosphere in a forest ecosystem?
24. The process of restoring an area of land to a more natural, productive state is called:
25. A word used to describe a type of animal or plant that has become very rare and that could die out completely.
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