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Water Cycle
Water Properties
Components of The Water Cycle
Purification & Redistribution
Transpiration
Ground Water
Acid Deposition & Nutrient Cycling
Nitrogen Cycle
Nitrogen Fixation Methods
Ammonification, Nitrification and Denitrification
Aeration: Does it Help?
Using Fertilizers
Carbon Cycle
Photosynthesis & Cellular Respiration
Reservoirs of Inorganic Carbon
Reservoirs of Organic Carbon
Returning Carbon to the Atmosphere
Greenhouse Effect
How to Reduce Carbon Dioxide Levels
Phosphorous Cycle
The Long Cycle (Abiotic)
The Short Cycle (Biotic)
Returning Carbon to the Atmosphere
Carbon can be released back into the atmosphere through:
- the burning of fossil fuels
- combustion/fire of plants
- volcanic activity
- consumers and decomposers release carbon into the atmosphere through respiration
- deforestation (no trees to absorb carbon)
- weathering of carbonate rocks