Answer:
C.
crust, mantle, outer core, inner core
Explanation:
Industry such as mining agriculture or forestry that is concerned with obtaining or providing natural raw materials for conversation into commodities and products for the consumer
countries size
it makes a country a better place as we know about our situation of natural resources pollution etc...
Answer: Earth reinforcing
Explanation: Earth reinforcing is a method of strengthening the soil/ground when constructing foundation by combining materials such as steel or concrete to the soil. It is especially useful for the construction of conventional retaining walls or mining structures.
Historically, steel nets were used on areas with soft clay, such as sea beds. Some materials used now include Geonets and geogrids.