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Biomass is vegetable matter, like unwanted parts of sugar cane (bagasse), as well as residue from tree felling and other things. When vegetation grows, it removes carbon dioxide (CO2) from the atmosphere. When the same material is burnt as biomass, that same CO2 is put back into the carbon cycle.
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Why doesn't burning biomass add extra carbon to the atmosphere?
Burning biomass doesn't add extra carbon to the atmosphere because the carbon released during combustion is part of the natural carbon cycle. Biomass, such as plants, absorbs carbon dioxide from the atmosphere during photosynthesis. When it is burned, the carbon is released back into the atmosphere, but this is a re-release of carbon that was previously absorbed, maintaining a balance as long as new plants continue to grow and sequester carbon. Thus, it is considered carbon-neutral over the short term, assuming sustainable management of biomass resources.
How does carbon monoxide enter the atmosphere?
Carbon monoxide enters the atmosphere primarily through the incomplete combustion of fossil fuels and biomass. This can occur during the burning of wood, vehicle exhaust, industrial processes, and wildfires.
What 2 processes put carbon back into the atmosphere?
Two key processes that put carbon back into the atmosphere are respiration and combustion. During respiration, living organisms, including animals and plants, break down glucose for energy, releasing carbon dioxide as a byproduct. Combustion occurs when organic materials, such as fossil fuels or biomass, are burned, releasing stored carbon into the atmosphere as carbon dioxide.
Why is biomass described as carbon neutral?
Biomass is considered carbon neutral because the carbon dioxide released during its combustion is equal to the amount of carbon dioxide that the biomass absorbed during its growth. This creates a balance in the carbon cycle, making biomass a renewable energy source with minimal impact on the environment.
Is Photosynthesis is the main process by which carbon dioxide moves from the atmosphere to biomass?
no
How does carbon leave the biomass?
Carbon can leave the biomass through processes like respiration, decomposition, and combustion. During respiration, organisms release carbon dioxide back into the atmosphere. Decomposition of dead organic matter also releases carbon as it breaks down. Additionally, combustion of biomass or fossil fuels releases carbon dioxide into the atmosphere.
How does carbon monoxide enter the atmosphere?
Carbon monoxide enters the atmosphere primarily through the incomplete combustion of fossil fuels and biomass. This can occur during the burning of wood, vehicle exhaust, industrial processes, and wildfires.
How is carbon returned back into the atmosphere?
Carbon is returned to the atmosphere primarily through processes such as respiration, decomposition, and combustion. During respiration, animals and plants release carbon dioxide (CO2) as they convert glucose and oxygen into energy. Decomposition of organic matter by microbes also releases CO2 as they break down dead plants and animals. Additionally, the burning of fossil fuels and biomass for energy contributes significantly to the release of carbon back into the atmosphere.
How does carbon move from living things in the atmosphere?
Carbon moves from living things to the atmosphere through processes such as respiration, decomposition, and combustion. During respiration, organisms release carbon dioxide into the atmosphere. Decomposition of dead organisms also releases carbon dioxide. Combustion of fossil fuels by humans is another significant way carbon is released into the atmosphere.
What does carbon enters the atmosphere?
combustion
How does carbon leave the biosphere?
Carbon leaves the biosphere through processes such as respiration, decomposition, and combustion. When organisms respire, they release carbon dioxide back into the atmosphere. Decomposition of organic matter and combustion of fossil fuels also contribute to carbon leaving the biosphere and entering the atmosphere.
Why is biomass described as carbon neutral?
Biomass is considered carbon neutral because the carbon dioxide released during its combustion is equal to the amount of carbon dioxide that the biomass absorbed during its growth. This creates a balance in the carbon cycle, making biomass a renewable energy source with minimal impact on the environment.
How is energy released within biomass fuels?
Energy is released from biomass fuels through the process of combustion, where the fuel is burned in the presence of oxygen. During combustion, the carbon and hydrogen in the biomass react with oxygen to release heat energy in the form of heat and light. This energy can be harnessed to produce heat, electricity, or other forms of energy.
Is Photosynthesis is the main process by which carbon dioxide moves from the atmosphere to biomass?
no
Why does the carbon dioxide released by burning biomass not result in global warming?
Biomass (burning of plant material) does release carbon dioxide (CO2) into the atmosphere, but it is CO2 that was recently taken out of the atmosphere (when the plants were growing) so it doesn't add extra CO2 or cause global warming. Burning biomass then is part of the natural carbon cycle which moves CO2 in and out of the atmosphere.The carbon dioxide that comes from burning fossil fuels (coal, oil and natural gas) was taken out of the atmosphere millions of years ago, so releasing it now is adding extra CO2 (and causing global warming).This is why biomass is renewable energy and much better than fossil fuels.
What is a gas released into the atmosphere by combustion called?
Carbon dioxide (CO2) is the gas released into the atmosphere by combustion of fossil fuels.
What are 2 natural processes that release carbon into the atmosphere?
Respiration by living organisms, such as plants and animals, releases carbon dioxide into the atmosphere. Decomposition of organic matter by bacteria and fungi also releases carbon into the atmosphere.
