Volcanoes Crossword

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Across
  1. 2. A very old communication method where humans drew on walls.
  2. 5. A writing system used in ancient Egypt that uses symbols.
Down
  1. 1. A system of letters used to form words.
  2. 3. An invention that allows people to talk to each other across distances
  3. 4. A way to send messages instantly over the internet.