General Knowledge Puzzle

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Across
  1. 3. The most abundant metal in the Earth’s crust.
  2. 4. When you’re asleep,this is the one active body part.
  3. 6. Community of ants.
  4. 7. The main substance used to make a crayon
Down
  1. 1. The Wright Brothers successfully invent.
  2. 2. Earth’s Twin.
  3. 3. Is the smallest ocean.
  4. 5. City where Char Minar is located in.