Solve the crossword. Then make up a word out of the letters that are pointed out in parenthesis.

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Across
  1. 4. A subject at school where you have to study various elements and how they combine with each other. (3rd letter - #1)
  2. 6. There are millions of cars in big cities, that´s why there are a lot of ... jams. (1st letter - #4)
  3. 7. An animal that lives in water and has 8 tentacles. (4th letter - #6)
Down
  1. 1. A synonym of "picture" or "photo". (1st letter - #5)
  2. 2. The capital of the USA OR The last name of the 1st American president. (3rd letter - #8)
  3. 3. The organ responsible for thinking. (5th letter - #7)
  4. 5. The company created by the richest man in the world. (1st letter - #2)
  5. 8. There are only 4 of these water bodies in the world. (1st letter - #3)