51. Which of the following is NOT a type of rock?
A) Igneous
B) Sedimentary
C) Metamorphic
D) All of the above are types of rock
52. What is the name of the process by which sediment is transported and deposited by wind or water?
A) Erosion
B) Weathering
C) Deposition
D) Compaction
53. What is the name of the layer of the Earth’s atmosphere that contains the northern and southern lights?
A) Troposphere
B) Stratosphere
C) Mesosphere
D) Thermosphere
54. What is the name of the process by which ice changes directly into water vapor without melting?
A) Evaporation
B) Condensation
C) Sublimation
D) Deposition
55. Which of the following is NOT a type of plate boundary?
A) Convergent
B) Divergent
C) Transform
D) All of the above are types of plate boundaries