SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a reservoir that readily releases carbon to another reservoir
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a carbon reservoir that stores more carbon that it is releasing
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something that causes carbon to leak out to the atmosphere
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a carbon reservoir that is releasing more carbon than it is taking in
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Detailed explanation-1: -A carbon sink is anything that absorbs more carbon from the atmosphere than it releases – for example, plants, the ocean and soil. In contrast, a carbon source is anything that releases more carbon into the atmosphere than it absorbs – for example, the burning of fossil fuels or volcanic eruptions.
Detailed explanation-2: -A carbon sink is a natural or artificial reservoir that absorbs and stores the atmosphere’s carbon with physical and biological mechanisms. Coal, oil, natural gases, methane hydrate and limestone are all examples of carbon sinks.
Detailed explanation-3: -The largest reservoir of the Earth’s carbon is located in the deep-ocean, with 37, 000 billion tons of carbon stored, whereas approximately 65, 500 billion tons are found in the globe.
Detailed explanation-4: -A carbon sink is an ongoing process which is increasing the amount of carbon stored in it. Whereas although a carbon reservoir might exchange individual carbon-based molecules with other parts of the carbon cycle, as much will go out as goes in, keeping the amount of carbon in the reservoir broadly constant.
Detailed explanation-5: -The oceans are, by far, the largest reservoir of carbon, followed by geological reserves of fossil fuels, the terrestrial surface (plans and soil), and the atmosphere. But, carbon moves naturally between the earth and atmosphere continuously.