Why do we need plants?

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Across
  1. 2. the nutrient rich dirt
  2. 3. I am brightly colored to attract bees
  3. 6. I am green and help to create oxygen through photosynthesis
  4. 7. I am the most powerful living thing on the planet
  5. 9. I am needed for breathing
  6. 10. they collect the nutrients and water from under the ground
Down
  1. 1. I am necessary for plant reproduction
  2. 4. the body of a plant
  3. 5. bees love to eat me
  4. 8. the very beginning of a plant