General Science_8th Standard

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Across
  1. 3. What are animals which eat both plants and animals called
  2. 7. Dark rain clouds can give out lightning and___
  3. 8. What is the hardest natural substance on Earth
  4. 10. Earth is surrounded by layers of gases called
Down
  1. 1. What is Earth's only natural satellite
  2. 2. Similar body cells group together to form a
  3. 4. What part of the skeletal system protects the
  4. 5. Which is the largest planet in the solar system
  5. 6. ____helps pump blood through the entire body
  6. 9. Which is the closest planet to the sun