soil

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Across
  1. 1. hydrogen what does ph stand for
  2. 3. what is the ph called when it ranges from 7.1-14
  3. 4. what is the top soil layer called
  4. 5. what do you add to make ph higher
  5. 8. what is the third layer called
  6. 9. what is the fifth layer called
Down
  1. 2. what is the ph called when it ranges from 0-6.9
  2. 3. what is the second layer called
  3. 6. what do you add to make ph lower
  4. 7. what is the fourth layer called
  5. 10. if the ph is based is it high or low
  6. 11. what is teh ph called when it is 7