Podcast
Questions and Answers
Which of the following processes is considered a fast process in the carbon cycle?
Which of the following processes is considered a fast process in the carbon cycle?
- Burial and Sedimentation
- Combustion
- Photosynthesis (correct)
- Fossil fuel formation
Carbon is primarily stored in the ocean and the atmosphere.
Carbon is primarily stored in the ocean and the atmosphere.
False (B)
What is the role of respiration in the carbon cycle?
What is the role of respiration in the carbon cycle?
Respiration returns CO2 to the atmosphere.
During photosynthesis, plants convert CO2 into ______.
During photosynthesis, plants convert CO2 into ______.
Match the following carbon cycle processes with their descriptions:
Match the following carbon cycle processes with their descriptions:
What process involves converting $CO_2$ into sugar?
What process involves converting $CO_2$ into sugar?
Carbon burial is a process that releases $CO_2$ back into the atmosphere.
Carbon burial is a process that releases $CO_2$ back into the atmosphere.
What is the primary role of combustion in the carbon cycle?
What is the primary role of combustion in the carbon cycle?
Plants remove $CO_2$ from the atmosphere during __________.
Plants remove $CO_2$ from the atmosphere during __________.
Match the following processes in the carbon cycle with their description:
Match the following processes in the carbon cycle with their description:
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Study Notes
Carbon Cycle
- Carbon moves through the Earth's different carbon reservoirs (rocks, oceans, atmosphere, plants, soils, fuels)
- Carbon moves through fast and slow processes
- Fast processes: involve living things
- Slow processes: involve rock, soil, and fossil fuels
- Changes in the carbon cycle affect Earth's temperature
- More CO2 in the atmosphere results in warmer temperatures
- Changes that remove carbon from one reservoir put it into another
Photosynthesis Steps
- Plants use CO2 and turn it into sugars and tissues
- Respiration by consumers releases CO2 back into the atmosphere
- Carbon can be buried and become rocks or fossil fuels over millions of years (sedimentation)
- Humans extract carbon as fossil fuels
- Humans burn fossil fuels, releasing CO2 back into the atmosphere
- The ocean and atmosphere continuously exchange CO2
Carbon Cycle Processes
- Producers convert CO2 into sugar
- Sugar is converted back into CO2
- Some carbon is buried
- Humans extract fossil fuels
- CO2 exchanges between the atmosphere and water
- Combustion releases CO2
Key Concepts
- The carbon cycle is a continuous process that moves carbon between the atmosphere, plants, animals, and the Earth's crust
- Processes like photosynthesis, respiration, combustion, and burning fossil fuels affect this cycle
- Understanding the carbon cycle helps us understand climate change and how human activities impact the environment
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