Environmental Sciences Quiz 232 (20 MCQs)

Quiz Instructions

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1. A scientist makes a graph showing population growth rates for the future of 10 countries. Which is a necessary source of error in his graph?
2. In which biogeochemical cycles are humans most affecting the natural greenhouse affect?
3. When tiny droplets of water form in the air its called-
4. A forest that sheds its leaves in the fall
5. A tertiary consumer has to be which type?
6. In the years immediately after a fire, a forest will experience
7. What is climate change?
8. Scientists use this term to describe how reproductively successful an organism is in its environment.
9. Area near a river's course that are flooded periodically as water levels rise
10. Species that are very important to the functioning of an ecosystem
11. Biomes with higher temps and less precipitation tend to have .....
12. Which is a non renewable resource?
13. Out of all of the elements on the periodic table, how many are naturally occurring?
14. Which choice describes the purpose of the blades in a wind turbine?
15. Today, mass extinction is going on at an alarming rate and is principally caused by:
16. A set of moral principles or values held by a person or society is called
17. Threat against marine organisms
18. Convection current:weather::
19. What is the period in history is when humans grew plants and raised and harvested animals? (the human population also dramatically increased during this time period)
20. What is one advantage surface coal mining has over other mining techniques?