LivEarthBio

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Across
  1. 2. What causes the seasons?
  2. 3. Zones What zones are found near the North and South Poles?
  3. 6. What is the northern and southern sides of the earth called?
  4. 7. What happens about every four years?
  5. 10. What zones are found near the North and South Poles?
Down
  1. 1. Which part of Earth gets fairly consistent sunlight all year?
  2. 2. What zone is the area around the Equator?
  3. 4. What is the zone between the tropics and the polar regions?
  4. 5. How long does it take Earth to orbit the Sun?
  5. 8. What is the imaginary line that Earth spins around?
  6. 9. During summer, are the days longer or shorter?