Earth

46. What is the name of the process by which wind wears away the land?
A) Erosion
B) Weathering
C) Deposition
D) Compaction

47. What is the name of the process by which rocks are broken down into smaller pieces by physical means such as wind or water?
A) Erosion
B) Weathering
C) Deposition
D) Metamorphism

48. What is the name of the process by which soil particles are pressed together, reducing the pore space between them?
A) Erosion
B) Weathering
C) Deposition
D) Compaction

49. Which layer of the Earth is closest to the surface?
A) Mantle
B) Crust
C) Outer Core
D) Inner Core

50. What is the name of the process by which the Earth’s plates move?
A) Erosion
B) Weathering
C) Plate Tectonics
D) Metamorphism