Magma solidifies creating new basaltic crust (a) a. Divergent boundary b. Transform boundary c. Convergent boundary 22. A deep sea trench may mark…

21. Magma solidifies creating new basaltic crust (a) a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
22. A deep sea trench may mark the boundary (c) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
– 43 – GEOLOGY C105 
23. Subduction occurs often forming mountains (c) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
24. Site of destruction of the lithosphere (C) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
25. Plates slide past each other (b) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
26. Plates move apart (a) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
27. Neither creates nor destroys lithosphere (b) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
28. Most are on the ocean floor (a) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
29. Least abundant type of boundary (b) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
30. Collision sometimes occurs forming tall mountains (c) 
a. Divergent boundary 
b. Transform boundary 
c. Convergent boundary 
31. A striped pattern of alternating positive and negative magnetic polarity parallel to and on both sides of a mid-oceanic ridge is called ___________. a. magnetic reversal 
b. magnetic zonation 
c. magnetic alignment 
d. magnetic polarity 
GEOLOGY C105 – 44 – 
32. ________ is the area encircling the Pacific Ocean that contains many of the Earth’s active volcanoes. a. a deep sea trench 
b. the Ring of Fire 
c. the bajada 
d. coastal plain 
33. ________ is a long narrow, deep depression in the ocean floor where subduction takes place. a. a deep sea trench 
b. the continental sheet 
c. a blowout 
d. the abyssal plain 
34. The measurement of deep water in lakes, rivers and oceans is called ________. a. Sonar 
b. Seismology 
c. Bathymetry 
d. spectronomy 
35. Molten rock within the earth’s interior is called ________. a. Lava 
b. Bedrock 
c. Cinder 
d. magma 
36. The reversing of earth’s north and south magnetic poles is known as ________ a. magnetic reversal b. magnetic zonation c. magnetic alignment d. magnetic polarity 
37. ________ is a technology that creates images by emitting sound waves and interpreting the returning echoes. a. Sonar 
b. Seismology 
c. Bathymetry 
d. spectronomy 
38. The ________ theory holds that the earth is expanding, which has broken apart crust creating surface features. a. contracting earth 
b. frozen earth 
c. expanding earth 
d. magnetic earth 
– 45 – GEOLOGY C105 
39. The supercontinent proposed by Alfred Wegner is called________ a. Laurasia 
b. Pangaea 
c. Gondwanaland 
d. Eurasia 
40. ___________are more numerous near deep-sea trenches, providing evidence that these features are subduction zones. a. abyssal hills 
b. abyssal plains 
c. Earthquakes 
d. smokers 

 

"Is this question part of your assignment? We Can Help!"

Essay Writing Service