The Earth's atmosphere, oceans, and land masses are thought to be the primary reservoirs of carbon on Earth. Quizlet is a popular online quiz platform, and it is interesting to consider the largest carbon reservoir on our planet.
The atmosphere is the largest carbon reservoir on Earth, accounting for approximately 750 gigatons of carbon. This carbon is found in the form of carbon dioxide, which is released into the atmosphere through the burning of fossil fuels and other human activities. Carbon dioxide is also absorbed by plants through photosynthesis, which helps to regulate the amount of carbon dioxide in the atmosphere.
The oceans are the second largest carbon reservoir on Earth, containing approximately 38,000 gigatons of carbon. This carbon is found in the form of dissolved inorganic carbon and organic carbon. The inorganic carbon is mostly in the form of carbonate ions, which are created by the dissolution of carbon dioxide in the ocean. The organic carbon is mostly in the form of living organisms, such as phytoplankton, that use the dissolved carbon dioxide to create cellular energy.
The land masses are the third largest carbon reservoir on Earth, containing approximately 2,500 gigatons of carbon. This carbon is found in the form of organic matter, such as plants, animals, and soil. The carbon in the land masses is mainly in the form of decomposed organic matter, which is produced through the breakdown of dead organisms.
In conclusion, the atmosphere is the largest carbon reservoir on Earth, followed by the oceans and land masses. Quizlet is an excellent platform for testing your knowledge of Earth's carbon reservoirs and their importance to the environment.