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The two reasons are that human activities are adding CO2 and also preventing it from being removed.

  1. Manufacturing, energy generation, and transportation all add carbon dioxide, mainly through the burning of fossil fuels.
  2. At the same time, activities such as land use, deforestation, and pollution can prevent the reabsorption of carbon dioxide which is primarily done by plants.
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What does respiration remove from the atmosphere?

Carbon dioxide is being released. As you breathe in you inhale fresh oxygen, but as you breathe out your body releases carbon dioxide.


What absorbs carbon dioxide from the atmosphere?

The carbon dioxide is absorbed by: 1. Chlorophyll in green plants. The chlorophyll breaks down the carbon dioxide to carbon and oxygen. The carbon is used by the plant as a nutrient and the oxygen is released to the atmosphere. 2. Oceans. The carbon dioxide absorbed and dissolved in the water. The carbon dioxide is adsorbed by green algae and water micro organisms.


How did bacteria change early earths atmosphere?

Earth's early atmosphere was primarily composed of carbon dioxide. Early bacteria used carbon dioxide as a source of fuel and as a result produced oxygen.


What process returns carbon to the atmosphere?

Several processes release carbon as gases (carbon dioxide, carbon monoxide, methane) into the atmosphere. Three important processes are fuel combustion, respiration, and methane release. -- Combustion of carbon-based fuels (wood, alcohol, biogas, or fossil fuels) remove oxygen and combine it to form carbon dioxide and other compounds. -- Plant and animal respiration release carbon dioxide. This is the reverse operation of photosynthesis. -- Methane is released from ruminant animals, from decomposition of organisms, and from ocean-bottom clathrate deposits.


What are two sources of carbon dioxide in air?

Carbon dioxide is the waste product of the process of respiration in plants and animals and it is also released into the atmosphere by active volcanoes.The burning of coal and wood

Related Questions

What effect would over logging of trees have on the amount of carbon dioxide in the atmosphere?

Over-logging of trees means that they can no longer remove carbon dioxide from the atmosphere. This has actually happened and levels of carbon dioxide are building up in the atmosphere causing global warming.


What effect would over logging of trees have in the amount of carbon dioxide in the atmosphere?

Over-logging of trees means that they can no longer remove carbon dioxide from the atmosphere. This has actually happened and levels of carbon dioxide are building up in the atmosphere causing global warming.


Which organism gets its carbon from carbon dioxide?

Green plants take carbon dioxide from the atmosphere, and using energy from the sun separate the carbon from the oxygen. They release the oxygen to the atmosphere, and use the carbon.


Carbon dioxide is building up in your atmosphere for two reasons The first is that many of your activities produce carbon dioxide The second reason is that some of your activities limit the amount of?

carbon dioxide being absorbed by natural processes like forests. This imbalance in carbon dioxide levels is contributing to global warming and climate change. It is important to reduce carbon emissions and protect natural ecosystems to help mitigate these impacts.


Does carbon dioxide sink or rise in the atmosphere?

Carbon dioxide rises in the atmosphere.


What molecule carries most of the carbon in the atmosphere?

Carbon dioxide (CO2) is the molecule that carries most of the carbon in the atmosphere.


What are some items that emit carbon dioxide into the atmosphere?

Anything that is part of the carbon cycle releases carbon dioxide which moves in and out of the atmosphere, trees, oceans, animals and land.Anything that is part of the fossil fuel (coal, oil and natural gas) industry releases carbon dioxide most of which remains in the atmosphere, building up. Examples are: factories, vehicles and power plants.


What is the conclusion of deforestation?

Deforestation is a serious problem for the world. It removes valuable trees that absorb carbon dioxide from the air and store the carbon. This extra carbon dioxide in the atmosphere is one of the reasons we have global warming.


Does Soils emit carbon dioxide into the atmosphere?

Yes, I think soil can emit carbon dioxide into the atmosphere.


The process of decay releases carbon dioxide into the atmosphere?

The process of decay releases carbon dioxide into the atmosphere


How could cutting down trees lead to the build up of carbon dioxide in the atmosphere?

Trees absorb carbon dioxide from the atmosphere during photosynthesis. When trees are cut down and not replaced, this carbon dioxide is no longer absorbed, leading to an increase in its levels in the atmosphere. Additionally, when trees are burnt or decompose, the stored carbon is released back into the atmosphere as carbon dioxide.


What effect would over-logging of trees have on the amount of carbon dioxide in the atmosphere?

Over-logging of trees means that they can no longer remove carbon dioxide from the atmosphere. This has actually happened and levels of carbon dioxide are building up in the atmosphere causing global warming.