Worms Put New Life Into Derelict Site Reading Answers -

High concentrations of heavy metals (such as lead, cadmium, and zinc) or chemical pollutants prevent standard plant growth.

The act of reversing or stopping environmental damage.

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| 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 | High concentrations of heavy metals (such as lead,

Worms improve soil structure by creating a network of burrows .

Worms are "self-impregnating" hermaphrodites that chew through a topping layer of colliery waste and sewage to create viable soil. They improve soil by it and adding The waste produced by earthworms, often used as fertilizer

This is why the correct answers emphasize , not physical removal.

The waste produced by earthworms, often used as fertilizer.