The Unique Earth

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Across
  1. 3. Is essential to life and all living organisms, the example is light and heat
  2. 6. Plays an important part in shaping weather patterns, guiding the life cycle of various organisms and maintaining ocean levels
  3. 7. It holds the planets in orbit around the Sun and what keeps the moon in orbit around Earth
  4. 9. As a substance used by an organism to survive, grow,and reproduce
  5. 10. Makes up 21% of the total gas in air
Down
  1. 1. Is a region of Earth's stratosphere that absorbs most of the Sun's
  2. 2. Helps to regulate body temperature.
  3. 4. The most abundant element in our atmosphere, is crucial to life.
  4. 5. radiation
  5. 8. Is the Primary Source of Energy