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  • Do plants emit carbon dioxide at night? Quora

    Everything that respires (that is, burns carbohydrates for energy) gives out carbon dioxide as part of that process. Plants also have a side reaction that is lightdriven called photorespiration that, again, takes in oxygen and spits out CO2.

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  • Why do plants emit carbondioxide at night? Quora

    Plants give out carbon dioxide not only at night but during the day too. It happens because of the process of respiration in which plants take in oxygen and give out carbon dioxide. As soon as the sun rises another process called photosynthesis starts, in which carbon dioxide is

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  • Sources of Greenhouse Gas Emissions US EPA

    Carbon dioxide (CO 2) makes up the vast majority of greenhouse gas emissions from the sector, but smaller amounts of methane (CH 4) and nitrous oxide (N 2 O) are also emitted. These gases are released during the combustion of fossil fuels, such as coal, oil, and natural gas, to produce electricity.

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  • Carbonic acid Wikipedia

    Carbonic acid is a chemical compound with the chemical formula H 2 CO 3 (equivalently OC(OH) 2).It is also a name sometimes given to solutions of carbon dioxide in water (carbonated water), because such solutions contain small amounts of H 2 CO 3.In physiology, carbonic acid is described as volatile acid or respiratory acid, because it is the only acid excreted as a gas by the lungs.

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  • Release of carbon dioxide by individual humans GLOBE

    I returned home, resolving to estimate how much carbon dioxide an average human gives off in a given day simply by breathing. Figure 1a. 30meter tall Global Atmosphere Watch Station (GAWS) tower from a distance. It is loed almost at the southern tip of Africa.

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  • Oxygen and Carbon Dioxide Teaching Great Lakes Science

    Carbon Dioxide in the Water Carbon dioxide, also called CO2, is found in water as a dissolved gas. It can dissolve in water 200 times more easily than oxygen. Aquatic plants depend on carbon dioxide for life and growth, just as fish depend on oxygen.

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  • Exchanging Oxygen and Carbon Dioxide Lung and Airway

    Oxygendeficient, carbon dioxiderich blood returns to the right side of the heart through two large veins, the superior vena cava and the inferior vena cava. Then the blood is pumped through the pulmonary artery to the lungs, where it picks up oxygen and releases carbon dioxide.

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  • The reaction between carbon dioxide and water Learn Chemistry

    When carbon dioxide reacts with water a weak acid is formed. Carbon dioxide is present in exhaled breath. Observing a colour change using an acidbase indior shows the reaction between carbon dioxide and water. This is a relatively brief and straightforward exploration of the reaction of carbon

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  • Solved: Carbon Dioxide The table gives the estimated

    Carbon Dioxide The table gives the estimated global carbon dioxide (CO 2) emissions from fossilfuel burning, cement production, and gas flaring over the last century.The CO 2 estimates are expressed in millions of metric tons. Source: US. Department of Energy.

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  • Do plants emit carbon dioxide at night? Quora

    Everything that respires (that is, burns carbohydrates for energy) gives out carbon dioxide as part of that process. Plants also have a side reaction that is lightdriven called photorespiration that, again, takes in oxygen and spits out CO2.

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  • Although plants give out carbon dioxide at night, why is

    Plants give out carbon dioxide not only at night but during the day too. It happens because of the process of respiration in which plants take in oxygen and give out carbon dioxide.

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  • carbon dioxide an overview ScienceDirect Topics

    Carbon Dioxide. Carbon dioxide is a gas at room temperature, and it has a density which is greater than that of air. It extinguishes fires by smothering it. Another important property of CO 2 is that it is relatively inert and cannot be further oxidized.

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  • Carbon dioxide emissions rise to 2.4 million pounds per

    The latest pollution numbers, calculated by the Global Carbon Project, a joint venture of the Energy Department and the Norwegian Research Council, show that worldwide carbon dioxide levels are 54

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  • Carbon dioxide Simple English Wikipedia, the free

    Dry ice exposed to normal air gives off carbon dioxide gas that has no color. Carbon dioxide can be liquified at pressure above 5.1 atmospheres. Carbon dioxide gas that comes off of dry ice is so cold that when it mixes with air it cools the water vapour in the air

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  • Carbon dioxide Simple English Wikipedia, the free

    Dry ice exposed to normal air gives off carbon dioxide gas that has no color. Carbon dioxide can be liquified at pressure above 5.1 atmospheres. Carbon dioxide gas that comes off of dry ice is so cold that when it mixes with air it cools the water vapour in the air

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  • CDC Carbon Monoxide Poisoning Frequently Asked Questions

    Carbon monoxide, or "CO," is an odorless, colorless gas that can kill you. Burning charcoal – red, gray, black, or white – gives off CO. Never use a portable gas camp stove indoors. Using a gas camp stove indoors can cause CO to build up inside your home, cabin, or camper.

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  • unit 2: carbon chemistry Flashcards Quizlet

    the process by which hydrocarbons burn in a plentiful supply of air forming water and carbon dioxide. under these conditions there is enough oxygen present for all of the hydrogen to be converted into water and all the carbon into carbon dioxide.

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  • How Do Trees Turn Carbon Dioxide into Oxygen? Sciencing

    Carbon dioxide exhaled into the atmosphere by animals and humans is then absorbed by the plant's leaves and paired with the hydrogen to produce sugar. The sugar is turned into plant food, and the extra oxygen created during this process is released into the atmosphere.

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  • Plants cannot live on CO2 alone Skeptical Science

    More Carbon Dioxide in the atmosphere is not necessarily good for plants. An argument made by those who prefer to see a bright side to climate change is that carbon dioxide (CO2) being released by the burning of fossil fuels is actually good for the environment. This conjecture is based on simple

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  • Carbon dioxide Wikipedia

    Melting point: −56.6 °C −69.8 °F 216.6 K (Triple point at 5.1 atm)Chat Online
  • Carbon monoxide poisoning Symptoms and causes

    Carbon monoxide poisoning occurs when carbon monoxide builds up in your bloodstream. When too much carbon monoxide is in the air, your body replaces the oxygen in your red blood cells with carbon monoxide. This can lead to serious tissue damage, or even death.

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  • How Much Oxygen Does One Tree Produce? ThoughtCo

    "One acre of trees annually consumes the amount of carbon dioxide equivalent to that produced by driving an average car for 26,000 miles. That same acre of trees also produces enough oxygen for 18 people to breathe for a year." New York Times" A 100ft tree, 18" diameter at its base, produces 6,000 pounds of oxygen."

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  • UCSB Science Line

    Plants produce carbon dioxide all the time because of respiration, but during the day (when there is light), they use CO 2 for photosynthesis, and fix CO 2 into other molecules, giving as end product O 2 more than CO 2. This is why it is called carbon fixation.

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  • Carbon Dioxide Exercise Examples

    Students work in groups, plotting carbon dioxide concentrations over time on overheads and estimating the rate of change over five years. Stacked together, the overheads for the whole class show an increase on carbon dioxide over five years and annual variation driven by photosynthesis.

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  • Untitled Document [projects.ncsu.edu]

    Trees absorb carbon dioxide and potentially harmful gasses, such as sulfur dioxide, carbon monoxide, from the air and release oxygen. One large tree can supply a day's supply of oxygen for four people. A healthy tree can store 13 pounds of carbon each year for an acre of trees that equals to 2.6 tons of carbon dioxide.

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  • How much carbon dioxide do plants give UCSB Science Line

    During their lifetimes, plants generally give off about half of the carbon dioxide (CO 2), that they absorb, although this varies a great deal between different kinds of plants. Once they die, almost all of the carbon that they stored up in their bodies is released again into the atmosphere.

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  • Carbon dioxide and Healthy breathing Smart Breathe

    Carbon dioxide concentration has fallen sharply, and now there is only three hundredths of a percent in the air. The human body has had to compensate for this gradual decline, and it has done so by creating an internal air environment in the small vesicles, the alveoli, inside the lungs.

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  • Properties of Carbon Dioxide (CO2) CryoFX

    Carbon dioxide is an acidic oxide and reacts with water to give carbonic acid. CO 2 + H2O ==> H2CO3 Carbon dioxide reacts with alkalis to give carbonates and bicarbonates.

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  • Science: Mangrove Forests as Incredible Carbon Stores

    Science: Mangrove Forests as Incredible Carbon Stores. By Mark Spalding. October 11, 2013. That gives us a huge extra carbon store in the soil. Hi shinigami, Like other trees, mangroves "breathe" carbon dioxide from the air and use it to grow. Their biomass contains carbon, as long as the tree is alive, that carbon is sequestered

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  • Bicarbonate Blood Test & Carbon Dioxide (CO2 WebMD

    Bicarbonate is a form of carbon dioxide (CO2), a gas waste left when your body burns food for energy. Bicarbonate belongs to a group of electrolytes, which help keep your body hydrated and make

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  • Carbon Dioxide Emission Factors for Coal U.S. Energy

    The carbon dioxide emission factors in this article are expressed in terms of the energy content of coal as pounds of carbon dioxide per million Btu. Carbon dioxide (CO 2) forms during coal combustion when one atom of carbon (C) unites with two atoms of oxygen (O) from the air. Because the atomic weight of carbon is 12 and that of oxygen is 16

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  • Ice Age Antarctic Ocean gives clue to 'missing

    Ice Age Antarctic Ocean gives clue to 'missing' atmospheric carbon dioxide Tiny ocean dwellers witnessed climate cycles, report past conditions

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  • The reaction between carbon dioxide and water Learn Chemistry

    When carbon dioxide reacts with water a weak acid is formed. Carbon dioxide is present in exhaled breath. Observing a colour change using an acidbase indior shows the reaction between carbon dioxide and water. This is a relatively brief and straightforward exploration of the reaction of carbon

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  • Plants need CO2 to live. So is more of it a good thing

    Answer. We do not yet know enough to make adequate projections of the global trends for plant life in a world with higher levels of carbon dioxide, or CO2.

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  • What things give off carbon dioxide? Yahoo Answers

    Jul 11, 2008 · Well, humans give off carbon dioxide, by recycling the air. The trees give off air while we recycle it to carbon dioxide to the trees. Since more trees are getting cut down, the earth is losing more air and we lose air by losing trees.

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  • Why Does the Human Body Release Carbon Dioxide?

    Since such binding of carbon dioxide and hemoglobin is a reversible process, carbon dioxide molecules are separated from hemoglobin once they reach the lungs. Once again, gas exchange takes place at the alveoli (they give oxygen and take carbon dioxide from the blood) and the cargo of carbon dioxide molecules is added to the outgoing breath (i

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  • Car Emissions and Global Warming Union of Concerned

    Our personal vehicles are a major cause of global warming. Collectively, cars and trucks account for nearly onefifth of all US emissions, emitting around 24 pounds of carbon dioxide and other globalwarming gases for every gallon of gas. About five pounds comes from the extraction, production, and delivery of the fuel, while the great bulk of

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  • What is Carbon Dioxide? Definition & Explanation Video

    Carbon dioxide is a colorless, odorless gas found in our atmosphere. Its chemical formula is CO2, which means it is one carbon atom bonded to two oxygen atoms.

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