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Environmental Sciences Quiz 491 (20 MCQs)

Quiz Instructions

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1. The amount of matter in the environment
2. An individual who promotes environmental issues most likely works in which field?
3. Biotic community contain different species of
4. Which energy source uses photovoltaic cells to capture light and produce electricity?
5. The environmental impact of an individual or population in terms of the total amount of land and water required (1) to provide the raw materials the individual or population consumes and (2) to dispose of or recycle the waste the individual or population produces.
6. What is a major threat of river ecosystems?
7. Which population has the greatest potential for rapid growth?
8. Is a volcano a natural event or human activity?
9. Climate change can cause increases in asthma, allergies and heart disease.
10. A mixture of gases and particles that surround a planet, held by gravity is called the-
11. Most of the salt in the ocean is .....
12. What are the four layers of the atmosphere?
13. Which axis would you graph the dependent variable?
14. An example of a dirty energy is
15. This layer is above the mesosphere. In this layer of the atmosphere, there are few molecules in the air, so the air pressure is very low. As the height of the layer increases the temperature increases. This is the layer where the aurora borealis or Northern Lights occur.
16. Judges actions in terms of their effects on whole ecological systems
17. What are some ways we can help in maintaining biodiversity?
18. Sealing cracks where air can leak into the building would NOT part of correcting .....
19. What percentage of energy is transferred between trophic levels?
20. A social movement dedicated to protecting the natural worid
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