• Chemical elements and water are recycled through biogeochemical cycles.
  • The cycles include both biotic and abiotic parts of ecosystems.
  • The water cycle takes place on, above, and below Earth’s surface.
  • In the cycle, water occurs as water vapor, liquid water, and ice.
  • Describe one way you could go through the water cycle, starting with the water vapor in the air as a starting point.
  • Name an process by which water changes from a solid or liquid molecule to a gas.
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