61. Which type of rock is formed by the alteration of existing rock due to heat and pressure?
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) None of the above
62. What type of boundary occurs when two tectonic plates move toward each other and collide?
a) Convergent boundary
b) Divergent boundary
c) Transform boundary
d) None of the above
63. What is the name of the process by which sediments settle out of water or air and accumulate on the ground?
a) Erosion
b) Weathering
c) Deposition
d) Lithification
64. Which of the following is not a type of plate boundary?
a) Convergent boundary
b) Divergent boundary
c) Subduction boundary
d) Transform boundary
65. What is the name of the process by which rocks are physically or chemically broken down into smaller pieces or dissolved?
a) Erosion
b) Weathering
c) Deposition
d) Lithification
