What is the largest pool of carbon on the planet?
A - Atmospheric carbon dioxide
B - Sediments in the deep ocean
C - Carbon dioxide dissolved in the oceans
D - Fossil fuels
E - Biomass that makes up all living matter
Answer: B - Sediments in the deep ocean
The largest pool of carbon in the world is actually in the sediments of the deep ocean which are estimated to contain about 50 times the carbon that is currently in the atmosphere. It can stay out of circulation for millions of years, unless humans intervene.
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Biochemical Cycles
- Which of the following is the best explanation for why we study the carbon cycle on a global scale and not as much in specific local ecosystems?
- Which of the following is not a way in which carbon can exit living plant material in the carbon cycle?
- Which of the following processes takes carbon out of the short-term carbon cycle?
- What is the primary source of carbon that can be used by plants?
- Identify the conversion which represents nitrification.
- Identify the statement that is NOT true about acid rain.
- How is it possible to include that eutrophication of bodies of water has occurred?
- When burned, which fossil fuel will release the greatest amount of pollution into the air?
- Which of the following is NOT a source of nitrogen that is available to plants?
- Within the biogeochemical cycle, where do consumers get most of their elements from, not including oxygen and hydrogen?
- Put the following elements in order of abundance by weight in living organisms, starting with the most abundant, and ending with the least abundant: iron, copper, phosphorus, oxygen, and hydrogen.
- Which of the following is not a component of the phosphorous cycle
- What is biogeochemical cycling?
- What is a modern human intervention in the phosphorous cycle?
- Cloud formation is an example of condensation because.
- Transpiration is the process that occurs when.
- What are the three main parts of the water cycle?
- Steam is an example of which part of the water cycle?
- How much "new" water is made through the processes of the water cycle?