16. What is the name of the process that changes solid rock into magma?
a) Erosion
b) Weathering
c) Melting
d) Sedimentation
17. Which of the following is not a type of fault?
a) Normal fault
b) Reverse fault
c) Strike-slip fault
d) None of the above
18. What is the name of the boundary between two tectonic plates that are moving apart?
a) Divergent boundary
b) Convergent boundary
c) Transform boundary
d) None of the above
19. Which of the following is a type of sedimentary rock?
a) Granite
b) Sandstone
c) Marble
d) None of the above
20. What is the name of the process that forms caves in limestone?
a) Erosion
b) Weathering
c) Deposition
d) Sedimentation