Unit One

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Across
  1. 2. A substance used to improve soil structure and water retention. (7 letters)
  2. 5. The process by which plants make their own food using sunlight. (10 letters)
  3. 6. The main function of leaves in photosynthesis is to __________ sunlight. (8 letters)
Down
  1. 1. These are added to soil to provide essential nutrients to plants. (11 letters)
  2. 3. Part of a plant responsible for absorbing water and nutrients from the soil. (6 letters)
  3. 4. The primary function of roots is to __________ water and nutrients. (7 letters)