INVENTIONS

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Across
  1. 3. It is the country that is shaped like a boot
  2. 5. She is the person who will discover the radium
  3. 7. It is an animal that has a shell
Down
  1. 1. He is the author who wrote the "Don Quijote de la Mancha"
  2. 2. It is the ocean where you can find more water
  3. 4. It is the city where you find the Eiffel Tower
  4. 6. It is the place which is the coldest