Scientific Discoveries

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Across
  1. 3. / what was the first name of the person who invented vaccinations.
  2. 4. / what is the presses of a fossil becoming a fossil called
  3. 5. / what is a short form for Severe Acute Respiratory Syndrome
  4. 6. / what do dinosaurs leave behind when they were under sand
Down
  1. 1. / what is Thomas Edison famous for inventing
  2. 2. da Vinci / who made the Mona Lisa