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 b
incorrect
reference:

4. what type of instrument measures seismic waves?
a. seismic scale
b. seismogram
c. seismometer
d. mercalli scale
student b
incorrect
reference:

6. basaltic magma is the type of magma.
a. most explosive
b. coolest
c. least explosive
d. hottest
student d
incorrect
reference:

8. most volcanoes are located at
a. transform boundaries.
b. midocean ridges.
c. hot spots.
d. convergent and divergent boundaries.
student c
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 b
incorrect
reference:

17. which of the following is a divergent boundary?
a. rift valley
b. transform
c. oceanic-continental
d. continental-continental
student b
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 d
incorrect
reference