The keyword "" refers to a well-known IELTS Academic Reading passage . This text details a pioneering environmental project at the former Hallside steelworks in Scotland, where earthworms were used to remediate poisoned land. Project Background: The Hallside Steelworks
According to the passage, what is a major advantage of using worms over traditional remediation methods? worms put new life into derelict site reading answers
pay for itself/become financially productive. The keyword "" refers to a well-known IELTS
21,000 deep-burrowing earthworms of two types: Lumbricus terrestris (garden lobworms) and Aporrectodea longa (black-headed worms). pay for itself/become financially productive
If you are using this article to check your homework or test practice, cross-reference each answer with your specific version of the passage. Minor wording differences exist between editions (Cambridge 14 vs. 15 vs. IELTS General Training).
On a derelict site, soil compaction is a major barrier to recovery. The ground is so hard that plant roots cannot penetrate it, and water pools on the surface, causing runoff rather than irrigation. Earthworms, particularly deep-burrowing species like Lumbricus terrestris (the common earthworm), act as biological plows.