puzzle

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Across
  1. 4. something that not caring by human
  2. 5. building that has a lot of floors and they allow people walk in
  3. 7. can buy it from IKEA
  4. 9. it is caused by the environment
Down
  1. 1. covered by huge water
  2. 2. someone who wants to go swimming in the sea, he will get in the sea from there
  3. 3. something simple that will be supplied at the first time
  4. 6. explain the data is growing down
  5. 8. it will destroy environment and may make people become homeless