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Year 3 / Science / Term 1 / Weeks 09 10 / Ordinary

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Day44 · Soil has several jobsYear 3 Science · T1 W9–10 · Ordinary / Day 44 · Text version

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Ordinary fictional balcony club. A sealed display sketch shows crumbly material, a leaf piece and spaces; no living animal is shown. A source card F3 describes soils as habitats for organisms, supporting plants and regulating water. These general soil roles come from USDA NRCS, not from the sketch proving local performance. A second source card F4 describes CSIRO's Chameleon system as using soil-water information to help irrigation decisions. The club wants three short labels for a soil display: plant support, habitat, and water. Nobody has tested drinking-water safety or sampled the balcony soil.

Question

What can soil support besides holding a plant upright?

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