If you can paste a few sentences from the passage (just the text, not the full copyrighted answer key), I can help you work out the correct answers step by step.
Below is an overview of the passage's themes, followed by the specific answers and explanations for the associated questions. Article Summary: Turning Waste into Wealth
Sean Ince, of Bell‘s department of biology, says: “The idea is that earthworms will contribute in a cumulative way to further soil binding, and that they will aerate and add nitrogen to the soil covering the Hallside site.” At the same time, Scottish Greenbelt has begun planting the area with 250,000 trees – including willow and alder – specially selected for their ability to grow on degraded land. These will have the dual function of extracting contaminants from the soil through their root systems and being harvested for wood burning or chipboard manufacture. worms put new life into derelict site reading answers
Before diving into the answers, let’s summarize the original passage.
Worms Put New Life into Derelict Site: Reading Passage and Answers If you can paste a few sentences from
The Hallside steelworks, which closed in 1979 after more than a century of operation, left behind 30 hectares of heavily compacted, toxic soil, contaminated with heavy metals including chromium, cadmium, and lead. The area lay abandoned until 1990, when a plan by HL Banks and Scottish Greenbelt was approved.
The project used two main types of earthworms: Lumbricus terrestris (garden lobworms) and Aporrectodea longa (black-headed worms). These tiny creatures are hermaphrodites, meaning they can reproduce quickly on their own. These will have the dual function of extracting
| Paragraph | Correct Heading | |-----------|----------------| | Paragraph A (Introduction to the site) | | | Paragraph B (Failure of traditional methods) | High cost of conventional clean-up | | Paragraph C (Choosing the worm species) | Nature’s tiny engineers | | Paragraph D (The process of adding worms) | Introducing a biological solution | | Paragraph E (Results after 18 months) | Green shoots of recovery | | Paragraph F (Future applications) | Scaling up for global use |
Paragraph 3 clearly mentions that the worms “will spend the next five to ten years chewing their way through the topping layer to create a soil structure.” Option C (60 years) is mentioned as the time the process would take without worms, not with them.