The answer is B. subsistence economies
Iron ore resource because it is the material of the steels and all its industrial products
For example : water vapour in the atmosphere is also considered to be apart of the hydrosphere. The precipitation connects the hydrosphere with the geo sphere by promoting erosion and weathering
Answer:
Roman Empire and China and later between medieval European kingdoms
Explanation:
i think lol
Explanation:
Saltation: Some of the fragments of the rocks move along the bed of a stream by jumping or bouncing continuously. This process is called as saltation.
