Answer: Mining is an activity which the earth is dig to obtain minerals and oil reservoirs.
Explanation:
The two environmental consequences that are responsible for filling the valleys are soil erosion and downstream mining causing the contamination of the neighboring water source. Soil erosion is resultant of the mining activity causing the trees to be uprooting from their site and making soil prone to the affect of physical factors like wind and water.
Answer:
Tertiary sector
Explanation:
Highly developed economies are dominated by jobs in the Tertiary sector.
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C. the rocks closest to a continent are younger
The Coriolis force deflects air to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.