A former industrial site—perhaps a old coal yard, metal foundry, or chemical plant—has been abandoned for decades. The soil is grey, lifeless, and toxic. Heavy metals (like lead, cadmium, and zinc) contaminate the earth. Nothing grows except a few hardy weeds. The site is an eyesore and a health hazard.
"Reading answers" refers to interpreting biological and soil indicators to assess site condition and restoration progress. Key indicators linked to earthworm activity include: worms put new life into derelict site reading answers
Over several months, the site underwent a remarkable transformation: A former industrial site—perhaps a old coal yard,
Scientists introduce millions of special composting worms (often red wigglers, Eisenia fetida ) along with organic matter like manure and cardboard. The worms do three things: Nothing grows except a few hardy weeds
– The passage mentions the worms' ability to tolerate or stabilize these pollutants.