Components of environment

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Across
  1. 1. sudden change
  2. 3. uppermost part of lithosphere
  3. 5. all that surrounds us
  4. 7. Microbes &human
  5. 8. oceans rivers and lakes
  6. 10. Blue planet
Down
  1. 2. envelope of air
  2. 4. solid layer of earth
  3. 6. variety of life
  4. 9. Rich in magnesium