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Earth Science Quiz 17 (25 MCQs)

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1. What is a self-contained convective zone in a fluid in which upward motion of warmer fluid in the center is balanced by downward motion of cooler fluid at the periphery?
2. The process in which water becomes richer in dissolved nutrients resulting in oxygen deficiency.
3. What is the proper way for testing the hardness of a mineral?
4. Hardness is a property that helps identify minerals. Scientists use a scale of 1-10 to show the hardness of a mineral. What number would be given to the softest?
5. In 2006 Pluto was demoted from planet to dwarf planet.
6. Which is true of all scientific models?
7. When rainfall occurs, the rainwater will most likely become surface runoff if the land surface is
8. Associated with transform boundaries.
9. The following are ways to solve ecological problems except:
10. Which of the following refers to ability of minerals to reflect light on its surface?
11. Tropic of Cancer is an imaginary line 23 1/2- degree _____ of the equator.
12. The land on the _____ side of a mountain range gets almost all of the precipitation
13. Which of the following is a part of weather?
14. Extrusive rocks that form quickly above the Earths surface have
15. Melted, liquid rock beneath Earth's surface
16. The troposphere is the _____ layer which contains about 75 percent of the total mass of the atmosphere .
17. Ozone is concentrated in the stratosphere, between 44 and _____ above the Earth.
18. Why does the sun appear to rise in the east and set in the west?
19. One difference between a breccia rock and aconglomerate rock is that the particles in a brecciarock are
20. A part of the Earth's crust where two tectonic plates slide past each other
21. Which organisms were alive when New YorkState was last covered by a continental ice sheet?
22. Which of the following does NOT belong in the electromagnetic spectrum:
23. The largest ocean is the _____
24. What is the study of the earth?
25. A factor that is affected by changes in the independent variable is the
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