Question

Strip mining creates removal of strips of soil and rock to expose the underlying ore. Which statement best describes an environmental consequence of this process for water?
High salinity of wastewater reduces soil fertility and growth of vegetation.
Billions of gallons of water are pulled from surrounding ecosystems.
Toxic material left after mineral extraction can leak into waterways.
Wastewater is contaminated with oil and becomes sludge in landfills.

Answer 1

The environmental consequence of strip mining on water is toxic material left after mineral extraction can leak into waterways.

WHAT IS STRIP MINING:

• Strip mining is the process of extracting ore by removing the soil and rock that overlays the mineral ore.

• Strip mining is a commonly used extraction method for coal. It is however, used for ores that are close to the surface of the soil or rock to be removed.

• Strip mining, however, has detrimental effects on consumed water and environment as a whole because toxic materials left after mineral extraction can leak into waterways.

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