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How to plant a tree?

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    planting trees
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  • Which is correct?
    b
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  • Which is correct?
    a
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  • Which is correct?
    b
  •  15
  • Which is correct?
    a
  •  15
  • Which is correct?
    b
  •  15
  • Which is correct?
    b
  •  15
  • Which is correct?
    a
  •  15
  • Which is correct?
    a
  •  15
  • Which is correct?
    b
  •  15
  • Which is correct?
    b
  •  15
  • Which is correct?
    b
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