Biology 0610 · IGCSE · Photosynthesis

Photosynthesis — practice question

The nutrient ions in four different soils are listed below. Which soil would be the best choice for growing healthy, green plants?

  • Anitrate ions absent, magnesium ions absent
  • Bnitrate ions absent, magnesium ions present
  • Cnitrate ions present, magnesium ions absent
  • Dnitrate ions present, magnesium ions present

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