71. Which type of rock is formed by the cooling and solidification of lava on the Earth’s surface?
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) None of the above
72. What is the name of the theory that describes how the Earth’s continents have moved and drifted over time?
a) Plate tectonics
b) Continental drift
c) Seafloor spreading
d) None of the above
73. What is the name of the process by which rocks are transformed from one type to another due to heat, pressure, or chemical reactions?
a) Erosion
b) Weathering
c) Metamorphism
d) None of the above
74. What is the name of the process by which molten rock cools and solidifies to form igneous rock?
a) Erosion
b) Weathering
c) Lithification
d) None of the above
75. What type of rock is formed by the cooling and solidification of magma beneath the Earth’s surface?
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) None of the above
76. What is the name of the boundary that occurs when two tectonic plates slide past each other horizontally?
a) Convergent boundary
b) Divergent boundary
c) Transform boundary
d) None of the above
