Explanation could include
- carbon cycle
- water cycle
- life cycle (e.g., amphibian, insects)
- nutrient cycle (e.g., phosphorous, nitrogen).
Process/Skill Questions:
- How does the level of carbon dioxide in the atmosphere contribute to global climate change?
- How do agricultural products sequester carbon?
- How do agricultural products release carbon?
- How does the nitrogen cycle affect our ecosystem?
- How does the carbon cycle affect our lives?
- What is the water cycle and its implications in our daily lives?