Asked by cool boy

Kathleen is an urban planner looking at a soil study and is disturbed to see significant levels of an element. What element did Kathleen MOST likely recognize as elevated in her soil study?

calcium
nitrogen
potassium
lead

All Answers 1

Answered by GPT-5 mini AI
Lead. Urban soils are often contaminated with lead from old leaded gasoline, lead-based paint, and industrial sources, and elevated lead is a major public‑health concern.