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Do It
photo of leaves and jar of jelly grab
  • a plant with big leaves
  • a jar of petroleum jelly
  1. Take a blob of jelly and coat the top side of a leaf. Make sure to apply a thick layer all over.
  2. Take another blob and cover the bottom side of a different leaf.
  3. In a few days, one leaf will look just fine.
  4. But the other leaf will curl up and wither. That's because it can't breathe.
what happened?
Try the experiment, tell us what happens and watch DFTV for your results! Which leaf curled up after a few days?

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