Into Derelict Site Reading Answers [2021]: Worms Put New Life

The site is initially too hostile for vegetation. Standard soil tests reveal toxicity and compaction. Worms, typically the red wiggler ( Eisenia fetida ) or specific endogeic species, are introduced. These species are selected for their hardiness and high reproductive rates.

While the worms worked under the ground, Scottish Greenbelt planted 250,000 trees on top of the site. They chose tough trees like willow and alder because they can survive in damaged dirt. worms put new life into derelict site reading answers

| Question | Answer | |----------|--------| | Worms were first used for site cleanup in the 1990s. | Not Given | | Worm castings contain higher nitrogen than surrounding soil. | True | | What heavy metal do worms absorb most efficiently? | Cadmium | | Main limitation of using worms? | Slow process / Cannot remove all toxins | The site is initially too hostile for vegetation

Paragraph 2 explicitly states that the land “was too contaminated with heavy metals such as chromium, cadmium and lead to support any kind of brick and mortar development.” The abandonment of the site (option A) is a consequence, not the cause of the contamination. Option C is incorrect because mineral content is not mentioned as an issue, and option D is factually inaccurate. These species are selected for their hardiness and