Which human-caused change might be considered a catastrophic change rather than a gradual change?
A) compaction of the soil by continued exposure to heavy farm machinery
B) salinization of the soil though evaporation of water and deposition of salt
C) plowing of prairie soil to commence agriculture
D) human-caused changes associated with wind and water erosion

Question

Which human-caused change might be considered a catastrophic change rather than a gradual change? 
A) compaction of the soil by continued exposure to heavy farm machinery 
B) salinization of the soil though evaporation of water and deposition of salt 
C) plowing of prairie soil to commence agriculture 
D) human-caused changes associated with wind and water erosion

Quizplus · Accepted Answer

Plowing of prairie soil to commence agriculture represents a catastrophic change because it completely alters the natural ecosystem and soil structure in a short period of time. The introduction of agriculture can lead to soil erosion, loss of biodiversity, and soil degradation.

Which Human-Caused Change Might Be Considered a Catastrophic Change Rather