Question

4.Explain how extraction of minerals can cause land degradation.

Answer 1

Extraction of minerals can cause land degradation.

Explanation:

• The mining of minerals & other natural commodities of commercial significance includes the production from deposits on Earth. Mining has detrimental impacts on habitats by loss of habitat, soil degradation, surface water intrusion & pollution of soil & groundwater. Mining can also lead to sinking
• Mining has an undesirable impact on soil health. The major consequence is the degradation of the soil. If the digging is over it literally lays in place the digging waste items called mine spoils. Among other aspects, this adds to substantial waste.
• The interaction between water & different mineral forms creates massive quantities of extremely concentrated wastewater.
• Mining water sources weaken the stability of the rocks & contribute to earth erosion and distortion of the atmosphere
• Land loss causes ecological and environmental issues including soil / water depletion, aggravation & diminishing soil quality problems land degradation

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Answer 2

The minerals extraction can cause land degradation as they destroy the soil.

Explanation:

• Land degradation is a cause of the process of mining and mine casting that exposes the soil and thereby impacting the environment.  The large mining operations destroy the integrity of the soil and lands.

• Such as the dumping of wastes and changing the topography, aesthetic degradation and this may lead to habitat loss and degeneration of soil. Erosion may further lead to the leaking of valuable minerals form the topsoil and may even create sinkholes.

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