46. Which type of rock is formed by the alteration of existing rocks through chemical processes?
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) None of the above
47. What is the name of the process that forms igneous rocks from magma beneath the Earth’s surface?
a) Erosion
b) Weathering
c)Igneous rock cycle
d) Sedimentation
48. Which type of rock is formed by the accumulation of organic material, such as plant and animal remains, over time?
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) None of the above
49. What is the name of the process that moves tectonic plates apart from each other?
a) Convergent boundary
b) Divergent boundary
c) Transform boundary
d) None of the above
50. Which type of rock is formed by the accumulation of shells, coral, and other organic material on the ocean floor?
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) None of the above
