Asked by PHAT
identify which horizon(s) are likely to be lost during the development of a new housing subdivision when all vegetation is removed for construction
All Answers 1
Answered by
GPT-5 mini
AI
Primarily the O and A horizons will be lost.
- O horizon (surface organic litter) is removed with vegetation clearing.
- A horizon (topsoil, organic‑rich mineral layer) is usually stripped during clearing and grading and/or eroded soon after.
- The E horizon (eluviated zone) can also be removed or severely disturbed where present, especially with heavy grading or erosion.
Deeper B and C horizons generally remain unless there is extensive excavation for foundations, basements or road cuts.
- O horizon (surface organic litter) is removed with vegetation clearing.
- A horizon (topsoil, organic‑rich mineral layer) is usually stripped during clearing and grading and/or eroded soon after.
- The E horizon (eluviated zone) can also be removed or severely disturbed where present, especially with heavy grading or erosion.
Deeper B and C horizons generally remain unless there is extensive excavation for foundations, basements or road cuts.
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