Worms Put New Life Into Derelict Site Reading - Answers

The result: Within 18 months, the derelict site is transformed into a grassy, plant-covered area—essentially a new ecosystem.

The passage " Worms put new life into derelict site " is a classic IELTS Academic Reading text that details the bioremediation of the former Hallside steelworks near Glasgow. Passage Summary

Vermicomposting, bioremediation, using earthworms to restore contaminated industrial land (brownfields), organic waste recycling.

– The project was cheaper than traditional chemical reclamation methods.

Thousands of deep-burrowing, self-impregnating earthworms are regenerating the abandoned, toxic Hallside steelworks site near Glasgow, turning it into a productive green space. Following the 1979 closure, the 30-hectare site was heavily contaminated with chromium, cadmium, and lead. A partnership between developer Scottish Greenbelt and local firm HL Banks began a low-cost remediation project in 1990 to address this, as traditional, expensive decontamination methods were not feasible. worms put new life into derelict site reading answers

As the world continues to grapple with environmental challenges, vermicomposting is likely to play an increasingly important role in sustainable waste management and soil remediation. The use of worms to revitalize derelict sites is just one example of the innovative applications of vermicomposting.

The transformation was almost magical. By burrowing deep, the worms aerated the compacted ground and introduced vital . Their "castings" (waste) acted as a potent natural fertiliser, containing up to five times more nitrogen and seven times more phosphorus than the surrounding soil.

Red wiggler worms can consume a wide range of organic waste, including food scraps, yard waste, and some types of paper products. However, it's essential to avoid adding meat, dairy, and oily foods, as these can attract pests and create unpleasant odors.

In 1990, local landscaping firm HL Banks and the developer Scottish Greenbelt teamed up to create a cheaper, smarter solution. Instead of using massive machines to dig up and wash the toxic soil, they decided to let nature do the work. The result: Within 18 months, the derelict site

A successful reclamation project typically utilizes a mixture of these species to ensure that all layers of the damaged soil are thoroughly rehabilitated. Bioremediation: Can Worms Clean Up Pollution?

: These worms are "specially raised hermaphrodites" that spend five to ten years chewing through the topping layer. Life Returns to the Waste

The following answers are based on the common question sets found in IELTS practice materials for this passage. Multiple Choice Questions (Summary)

: Restoring or cleaning polluted land.

Explanation: While the text mentions the success of the UK trial, it does not provide data confirming widespread adoption across all European cities. Section C: Summary Completion (The Mechanisms) Burrowing (Improves drainage and oxygen levels)

Explanation: Earthworms require a food source to survive in harsh derelict environments; researchers added organic waste to stimulate their population growth. Heavy metals

: They chewed through the raw sewage and coal waste, breaking it down into safer nutrients.