Answer :

Final answer:

Surface mining, subsurface mining, and placer mining differ in their impact on the environment.


Explanation:

Surface mining is the extraction of minerals or resources from the Earth's surface through open-pit mining, strip mining, or mountaintop removal. It causes significant damage to the environment, including deforestation, soil erosion, and disruption of ecosystems.

Subsurface mining involves the extraction of minerals or resources from beneath the Earth's surface through tunnels or shafts. It can lead to groundwater contamination, disruption of underground ecosystems, and the release of toxic gases.

Placer mining is the extraction of minerals or resources from riverbeds or streambeds by sifting or dislodging sediment. While it has less direct impact on the environment compared to surface and subsurface mining, it can still result in habitat destruction and pollution of water sources.

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