3. Where are the longest continuous mountain ranges on Earth located?
A. Along the ocean floor
B. Along the San Andreas fault
C. In the Western portion of the United States
D. In the Middle East
Student Answer: B
Answer: Incorrect
Reference:

4. What type of instrument measures seismic waves?
A. Seismic scale
B. Seismogram
C. Seismometer
D. Mercalli scale
Student Answer: B
Answer: Incorrect
Reference:

6. Basaltic magma is the _______ type of magma.
A. most explosive
B. coolest
C. least explosive
D. hottest
Student Answer: D
Answer: Incorrect
Reference:

8. Most volcanoes are located at
A. transform boundaries.
B. midocean ridges.
C. hot spots.
D. convergent and divergent boundaries.
Student Answer: C
Answer: Incorrect
Reference:

9. An island arc complex is formed where
A. a continental and oceanic plate converge.
B. two continental plates converge.
C. a volcano erupts along an oceanic plate.
D. two oceanic plates converge.
Student Answer: B
Answer: Incorrect
Reference:

17. Which of the following is a divergent boundary?
A. Rift valley
B. Transform
C. Oceanic-continental
D. Continental-continental
Student Answer: B
Answer: Incorrect
Reference:

20. The study of the history of Earth's magnetic field is known as
A. topography.
B. isochronism.
C. paleomagnetism.
D. magnetism.
Student Answer: D
Answer: Incorrect
Reference

Respuesta :

Assuming you need these questions answered, due to the incorrect marks at the bottom of each one..? 
 
Let's dig in! 

3. The longest range of mountains stretches ALL around the Earth, and its located along the ocean floors! 

4. Seismometers measure motion within the ground, also known as seismic waves! They can show earthquakes, volcanic eruptions, and even show where explosives are going off, or have gone off. 

6. It is the least explosive! 

8.  Convergent and divergent boundaries.

9. The answer is D, two oceanic plates converge. This is where chain volcanoes lie. 

17. Oceanic-continental

20.  C! Paleomagnetism, its the science of studying the magnetic properties of different rocks, soils, sediments, and such!