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<p>The inner bark of the blue ash turns blue when exposed to air, and was once used to <strong>make dyes.</strong></p>

The inner bark of the blue ash turns blue when exposed to air, and was once used to make dyes.

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2009: Biodiversity

2009: Biodiversity

Grade 9 to Grade 12

Biodiversity includes all life on earth and the natural patterns it forms. It is biodiversity that drives many natural processes and functions that are required for the survival of humans. The study guide introduces you to the value of biodiversity, their threats and what we can do.

  • Study Guides
  • Geography
  • Science