26. Which of the following is a type of igneous rock?
a) Sandstone
b) Marble
c) Granite
d) None of the above
27. Which of the following is not a type of volcano?
a) Shield volcano
b) Composite volcano
c) Cinder cone volcano
d) None of the above
28. What is the name of the process that forms soil?
a) Erosion
b) Deposition
c) Weathering
d) Sedimentation
29. Which type of rock is formed by the accumulation of organic matter?
a) Igneous rock
b) Sedimentary rock
c) Metamorphic rock
d) None of the above
30. Which of the following is not a type of sedimentary rock?
a) Sandstone
b) Limestone
c) Granite
d) None of the above