What is the Best Example of a Major Human Impact

Question

What is the best example of a major human impact on mountain ecosystems?
A)conversion to cropland
B)overgrazing by livestock
C)depletion of groundwater
D)timber and mineral extraction
E)habitat loss due to the development of major urban areas

Accepted Answer

Timber and mineral extraction have a significant impact on mountain ecosystems, as it leads to the removal of important vegetation cover and soil erosion, which results in severe landslides and habitat destruction. Additionally, this activity can also lead to soil contamination if proper measures are not implemented.