### acid gas:

Carbon dioxide
* Arises during the fermentation process.
* More carbon dioxide is produced in the tiny passageways of soil
  - than actually ends up in the atmosphere
  - taken up by plants
  - leads to more atmospheric water vapor, which leads to higher temperatures
* More carbon dioxide means an increased greenhouse effect, which leads to global warming
  - more cooling
* Most carbon dioxide absorbs energy
  - affects photosynthesis
  - becomes air
  - builds up in lungs
  - comes from waste
* Most carbon dioxide enters air
  - atmospheres
  - tracheae
* Most carbon dioxide has growth
  - origins
  - plant growth
  - roles
  - significant impact
* Most carbon dioxide is produced by burn gasoline
  - respiration
* Most carbon dioxide is released by bacteria
  - through the skin in all salamanders
  - used up by photosynthesis
  - passes through membranes
  - produces during respiration
* Some carbon dioxide absorbs radiation
  - acts as fertilizer
  - affects plants
* Some carbon dioxide boosts growth
  - builds up in blood
* Some carbon dioxide combines with acid
  - carbon compounds
  - organic acid
* Some carbon dioxide contributes to effects
  - greenhouse effects
  - depends on saltiness
* Some carbon dioxide enters aquatic autotrophs
  - containers
  - tubes
  - exists as liquids
* Some carbon dioxide flows into arteries
  - pulmonary arteries
  - gets photosynthesis
* Some carbon dioxide has high partial pressure
* Some carbon dioxide increases gas pressure
  - runoff
* Some carbon dioxide is dissolved into the ocean, where some organisms use it to form their shells
  - incorporated into compounds
* Some carbon dioxide is produced by combustion
  - released from the interior of the lithosphere by volcanoes
  - used by algae and phytoplankton through the process of photosynthesis
  - limits photosynthesis
  - needs for photosynthesis
  - passes through skin
* Some carbon dioxide produces as byproduct
  - carbohydrates
  - reacts with water
* Some carbon dioxide releases into water
* Some carbon dioxide removes gases
  - toxic gases
  - uses for photosynthesis.
  * greenhouse gas. Greenhouse gases trap heat energy. Greenhouse gases change the climate and weather on our planet, Earth. This is called climate change. Most scientists think that greenhouse gases are causing global warming, the rise of Earth's surface temperature
* absorbs heat and traps it near the Earth's surface
  - from sunlight and warms up the Earth
  - infrared radiation from the sun and prevents it from returning to space
  - sunlight reflecting off the Earth, heating up the air
* accounts for about half of the world's greenhouse gases, which trap solar rays
  - three fourths of the predicted increase in the greenhouse effect
  - two thirds of the greenhouse gases our economy emits
  - two-thirds of the greenhouse gases our economy emits
* acts as the solvent and carries the caffeine away from the beans
  - like an acid in water
  - the heat balance by acting as a one-way screen
* allows light to reach the Earth's surface
  - sunlight to strike the earth, but traps some of the resulting heat
  - the sun's short wave radiation to reach the earth
  - airborne when fossil fuels, solid waste and wood products are burned
  - toxic when it suppresses respiration
* bi-product of biomass burning.
* boils first, then sulfur dioxide.
* builds up in the Earth's atmosphere, causing temperatures to rise
  - body as a waste product of metabolism
* by-product of fermentationwhich displaces oxygen
  - fossil fuel combustion
  - that process
* byproduct of body metabolism and is attached to the red blood cells
  - cellular metabolism
  - the burning of fossil fuels and industrial activity
* can also remove cholesterol and fat from milk and meat
  - dissolve in water, where some of it is later returned back into the atmosphere
  - help dissolve proteins
* cans have consequences.
* cause global warming
  - the earth's average air temperature to increase
* causes bread to rise and gives effervescent drinks their bubbles
  - cerebral vasodilation
  - global warming while sulphur dioxide can cause global cooling
  - rapid onset of anesthesia with subsequent death due to respiratory arrest
* certain source, but, bacterial sulfate reduction key.
* changes the pH of seawater, making it more acidic.
* colorless gas having a faint odor and a sour taste.
* colorless, almost odorless gas that is formed by the combustion of carbon
  - odorless gas that's part of our atmosphere
  - odorless, gas that extinguishes a flame
* combines with water to form a. carbonic acid b.
* comes from fossil fuel usage, and losses in soil organic matter
  - the breathing of almost all living organisms and from anything that burns
  - in, oxygen goes out
* commonly cited greenhouse gas.
* compound , or a combination of two or more elements.
* continues to accumulate in the atmosphere threatening changes in the global climate.
* decreases because it is blown off.
* diffuses out.
* displaces oxygen in the air and causes suffocation.
* dissolved in water can disperse into the atmosphere
  - is the major source for aquatic plants
* dissolves out of the blood back to the skin
  - readily in the surface oceans
  - single-celled and aquatic autotrophs through no specialized structures
* enters the atmosphere through each of the following processes except one
  - carbon cycle or is taken up by plants for photosynthesis
  - leaf and passes into the chloroplast
* enters the leaf through pores called stroma
  - tiny openings called the stomata
  - leaves through a
  - waters of the ocean by simple diffusion
* equilibriates between the atmosphere and the ocean's surface layers.
* exists in small amounts both in the atmosphere and in protoplasm.
* extinguishes fire by physically attacking all three points of the fire triangle.
* fluxes over a northern, semiarid, mixed-grass prairie.
* follows a reverse path.
* food additive used as a propellant and acidity regulator in the food industry.
* forms compounds
  - many acids, called carbonic acids, in the ocean
* furnishes the carbon and oxygen, and water furnishes the hydrogen for carbohydrate,.
* gas at room temperature while silicon dioxide high-melting solid.
* gas that is vitally involved in the process of photosynthesis
  - occurs naturally in the atmosphere as a product of living organisms
* gas that scientists say major factor in the earth's rising temperatures
  - in the planet's rising temperatures
* gas, and because it is heavier than air it pushes the air out of the bottle
  - so it can be compressed and stored under pressure
* gaseous waste product of normal energy metabolism.
* goes through the process called sublimation.
* good indicator for indoor air quality.
* greenhouse emission
* greenhouse gas and a contributor to global warming
  - major contributor to global warming
  - considered a major factor in global warming
  - contributing to possible global warming
* greenhouse gas linked to global climate change
  - of major concern in the study of global warming
  - produced from burning fossil fuels
* greenhouse gas that contributes to global warming
  - the potential for global warming
  - is closely associated with global warming
  - keeps our planet warm
* greenhouse gas which contributes to global warming
  - traps heat rising from Earth s surface
* greenhouse gas, and as such, it is partly responsible for global warming
  - produced when electricity is generated or gas is burned
* has a double bond on each side of the carbon atom
  - nasty habit of remaining trapped in our atmosphere, sometimes for centuries
  - warming effect on the earth's environment
  - any number of biological benefits for plants
  - carbon in it
  - many beneficial effects on the body
  - varied commercial uses
* helps fuel photosynthesis, the process through which plants are nourished and grow
  - plants grow, but it is also one of the so-called greenhouse gasses
* high pressure, super critical process.
* impacts their pH systems, and the expiration of gases necessitates lots of water.
* improves the growth of hairy roots cultured on solid medium and in nutrient mists.
* increases temperatures, extending the growing season and increasing humidity
  - the levels of ozone via heating the atmosphere
* influences the mean global temperature through the greenhouse effect.
* inhibits the growth of most aerobic bacteria and moulds.
* introduced into the greenhouse further boosts production.
* is A. less soluble in sea water than other common atmospheric gases
  - absolutely necessary for plants and animals
* is absorbed and oxygen is produced
* is absorbed by growing vegetation and soils
  - producers to make carbohydrates in photosynthesis
* is absorbed from the atmosphere and oxygen is released
  - through pores in the leaves called stomata
  - on one side of platinum electrodes and converts to oxygen
  - actually a benefit to the plants
* is added to drinking water during the final phases of the purification process
  - lower the water's pH level
* is also a gas
  - greenhouse gas, thus it keeps the planet warm
  - an excellent absorber
  - effective, displacing the oxygen necessary to sustain fire
  - the gas formed when natural gas, oil and coal are burned
* is an acid gas
  - acid, and is released by soil bacteria during biodegredation of litter
  - acidic oxide and reacts with water to give carbonic acid
  - acidic, metabolic waste product in the form of a gas
  - atmospheric constituent that plays several vital roles in the environment
  - efficient greenhouse gas
  - essential raw material for photosynthesis by green plants
  - important gas in Earth's environment
* is an important greenhouse gas produced by fossil-fuel use
  - leavening agent for most baked goods
  - part of the atmosphere
  - orderless, tasteless gas that is heavier than air
  - another ingredient needed for photosynthesis
  - applied to the face in light, circular motions
  - available to produce new biomass and that's why it renewable resource
  - better than pasteurization
  - bubbled through a water solution of calcium hydroxide at room temperature
  - by far the most abundant greenhouse gas in the atmosphere
  - capable of freezes
  - carried to the lungs through blood and sent out the lungs
  - cheap and abundant
  - cheaper to buy than solvents and can be reused
  - chemical compounds
  - clearly the most important cause of the human-made greenhouse effect
  - colorless, odorless and heavier than air
  - composed of two atoms of oxygen and one atom of carbon
* is considered a greenhouse gas
  - by many as one of the major contributors to global warming
  - the most prominent contributor to the global warming issue
  - controlled by the carbon cycle
* is converted in photosynthesis and store as wood
  - into sugars in a process called carbon fixation
  - created by the burning of oil, coal, gas or wood
  - denser than air
* is emitted into the atmosphere when fossil fuels are burnt
  - through the burning of fossil fuels such as oil and coal
  - to the atmosphere through natural sources
* is emitted whenever fossil fuels are burned
  - such as coal, oil and natural gas are burned
* is essential for photosynthesis, the process by which plants grow
  - to plant growth
  - expelled from the lungs with each exhalation
  - extremely harmful to the atmosphere
  - far more than a waste gas
  - faster consumed than supplied due to the mesophyll s photosynthesis
* is fixed by photosynthesis into carbohydrates
  - plants, which are then eaten by animals
  - formed by burning carbon
  - found in nature
  - fundamental to maintaining normal physiology
  - furnished to a greenhouse for commercial produce
  - gathered from the air through the stomata
* is given off as the organic matter decays
  - during respiration of biological systems
  - harmless
* is heavier than air and can collect in low and poorly ventilated places
  - pushes it out of the bin
  - puts out a flame
  - tends to collect in low and enclosed spaces
  - highly soluble in seawater
  - influenced by the level of organic matter in the soil
  - inorganic compounds
  - instead the inevitable byproduct of burning fossil fuel
  - introduced to make a space so the pelvic organs can be seen
  - liberated from the mineral and bubbles out through the acid, creating the fizz
  - linked to air quality problems and contributes to global climate change
* is located in air
  - lost with faster breathing and increased when breathing slows
* is made in steel mills
  - the reactions between most acids and most metal carbonates
* is made up of carbon and oxygen atoms
  - one carbon and two oxygen atoms, hydrogen of two hydrogen atoms
  - mixed quickly throughout the atmosphere
* is more soluble and diffuses faster than oxygen
  - in water than oxygen
  - much better suited for heat-pump applications
  - necessary for plant respiration
  - obtained through tiny pores in plant leaves called stomata
  - one example of a greenhouse gas
* is one of many greenhouse gases, including water, methane and ammonia
  - several gases implicated in greenhouse warming
* is one of the first chemical compounds kids learn about
  - key greenhouse gases blamed for causing global warming
  - more important gases responsible for the greenhouse effect
* is one of the most important greenhouse gases in the atmosphere
  - primary greenhouse gases that contribute to global warming
  - raw materials of the photosynthetic process
  - strongest attractants for mosquitoes
  - the gas responsible for global warming
* is only one gas which is exchanged between the atmosphere and forests
  - slightly poisonous
  - prevented from entering the Earth's atmosphere before exiting the system
  - probably the most abundant form of carbon found on earth
* is produced and given off
  - released as a by-product
  - remains in the bottom because it is more dense than air
* is produced by all animals and by green plants in darkness
  - cells as a result of cellular metabolic processes
  - plants, and is found in many things, including soft drinks
* is produced by the burning of coal, oil and natural gas
  - fossil fuels such as coal, oil and natural gas
  - cells and moves in the opposite direction through the same system
  - degradation of organic matter
  - from heating , driving and consuming products
* is produced in excess amounts
  - the reaction between calcium carbonate and hydrochloric acid
* is produced when fuels are burned
  - microorganisms oxidize organic matter within the sample
  - the methane gas is burned for cooking and heating
  - vinegar and baking soda are mixed
  - pumped into the body to give the surgeon room to work
  - readily soluble in water
  - reduced and water is oxidized
* is released back into the atmosphere through bacterial respiration
  - from the soil during the freezing process and in the late spring
  - in deforestation by burning or cutting
* is released into the air when students exhale
  - atmosphere when fossil fuels are burned
  - through the same pores
  - to the atmosphere by all organisms
* is released when fossil fuels are used
  - like coal and oil are burned
  - people burn fossil fuels , like oil , coal , and natural gas
* is removed from the atmosphere and oxygen is released during photosynthesis
  - by a complex network of natural sinks
  - during photosynthesis and by dissolving in the oceans
* is responsible for approximately half of the increase
  - only about half of the Earth's greenhouse effect warming
  - returned to the atmosphere when the plant parts decay or are burned
  - slightly soluble and is absorbed into bodies of water such as the ocean and lakes
  - suggested for fires involving delicate instruments and optical systems
  - supposedly the most effective greenhouse gas
* is taken from the atmosphere through small pores called as stomata
  - into leaves and utilized during photosynthesis
  - out from the blood and brought out
  - up at night and stored until photosynthesis can occur during the day
* is the air that plant take in used in the process of photosynthesis
  - biggest contributor to global warming
  - cause, the trigger, that starts the warming
  - chief culprit in the increased threat of global warming in recent decades
  - fundamental nutrition of every life form on Earth
  - gas that all animals exhale when they breathe
  - greenhouse gas that contributes most to global warming
  - heat trapping greenhouse gas held most to blame for global warming
* is the largest contributing factor to global warming
  - single waste product of modern society
* is the leading cause of climate change
* is the least aggressive of the greenhouse gases but is emitted in large quantities
  - expensive gas to measure and serves as a good measure of ventilation
  - soluble and so is the first to separate
  - main byproduct produced when the liver processes erythromycin
* is the main cause of human-induced climate change
  - gas caused by human activity that has been linked to global warming
* is the main greenhouse gas that contributes to global climate change
  - which contributes to the threat of global warming
  - ionized gas which contaminates water
  - vector in causing the warming of our atmosphere
* is the major contributor of global warming
  - man-made contributor to global climate change
* is the most abundant greenhouse gas in the atmosphere
  - gas, meaning that it traps infrared radiation
* is the most common greenhouse gas
  - of several gases that contribute to the greenhouse effect
  - important gas driving global warming
* is the most important greenhouse gas contributing to global warming
  - released by human activities
  - of the greenhouse gases produced due to human activities
  - single greenhouse agent produced by human activities
* is the most powerful cerebral vasodilator known
  - vasodilator for cerebral blood vessels
  - prevalent greenhouse gas
  - troublesome gas
  - preferred agent, as it leaves no residue to be cleaned up
* is the primary gas in Mars' atmosphere
  - leading to global warming
* is the primary greenhouse gas contributing to climate change
  - principal gas caused by human activity that is implicated in global warming
* is the principal greenhouse gas believed to be behind changes in the global climate
  - gas, especially at the household level
  - product of combustion of hydrocarbons and carbohydrates
  - result of animal respiration
  - second most abundant gas produced as organic acids are degraded
  - source gas of the carbon emissions
  - uninvited guest that shows up whenever coal, oil, or natural gas burn
* is the waste product of cells
  - well functioning cells and is also carried back by the blood
  - produced during strenuous activity such as mountain climbing
  - thought to cause global warming
  - transparent to light but rather opaque to heat rays
  - transpired through the pores of the shell
* is transported in the blood a. bound to hemoglobin
  - on hemoglobin
* is used by plants during photosynthesis to manufacture glucose
  - to make food for themselves
  - the food industry, the oil industry, and the chemical industry
* is used in a variety of ways by organisms in the oceans
  - some fire extinguishers
* is used in the light-independent reactions
  - production of carbonic acid, the main intravascular acid
  - to produce carbonated soft drinks and soda water
* is very soluble in water, much more so than oxygen
  - weakly soluble in water , therefore it separates into a gas
* key contributor to global warming.
* key greenhouse gas and is mostly produced by power plants, factories and cars
  - that many scientists feel is warming Earth
* known greenhouse gas that contributes to global warming.
* large contributor to greenhouse gases, which lead directly to global warming.
* leaves that same blood when air is exhaled from the lung out of the body.
* leaves the body through the spiracles
  - cell by diffusion into the water and out the osculum
  - cell, diffuses through the interstitial fluid and enters a capillary
* likes to do one thing in water.
* linear molecule.
* links the energy crisis with the problem of global warming.
* major component of the emissions
  - global warming gas
* major greenhouse gas, which many people believe contributes to global warming
  - means it gas that captures and absorbs heat
  - metabolite
  - player in global warming
* makes up less than one two thousandth of one per cent.
* modulates energy metabolism in a dormant mollusc.
* moves readily from the extravascular space into the blood.
* natural byproduct of respiration
  - gas and is an important part of the environment
* naturally occurring gas that is released and absorbed in a natural cycle.
* nonflammable gas that is naturally contained in the exhaled breath of humans.
* normal and harmless atmospheric component
  - waste product of cellular metabolism
* nutrient a very important nutrient, perhaps the most important.
* passes from the blood into the alveoli
  - through the thin gill tissue into the water
* passes out through the body surface as well as through the contractile vacuoles
  - surface as well as being expelled by the contractile vacuoles
  - the capillary walls from the cells
* plant nutrient.
* plays an important role in the lives of plants and animals
  - warming the earth by trapping the sun's heat
* powerful greenhouse gas.
* prevents infrared photons from radiating energy to space.
* primary factor in global warming.
* primary greenhouse gas that causes global warming
  - gas, which contributes to global warming
* principal contributor to the green house effect
* produced by human activity enters the natural carbon cycle.
* produced during respiration is removed by lungs
  - the burning of coal enhances global warming
* product of the biochemical reactions that are part of composting.
* provides the carbon atoms that are incorporated into sugars in photosynthesis.
* puts out fires by depriving the flame of oxygen.
* reacts with carbonate to produce bicarbonate
  - seawater to make carbonic acid
  - water in solution to form the weak acid, carbonic acid
* regulates smooth muscle or the involuntary muscle of the airways, blood vessels etc
  - the activity of the autonomic nervous system
* released by cars major contributing factor to the greenhouse effect
  - during respiration is used up by the plant for photosynthesis
* remains for a century or more.
* replaces harsher acids for the alkaline neutralization process
  - oxygen in a grain bin and can be deadly
* represents that most abundant of the greenhouse gases.
* results primarily from decaying organic matter in water-bearing soils.
* rises as oxygen falls.
* significant greenhouse gas considered to be responsible for global warming.
* small but important constituent of air.
* so called greenhouse gas causing global warming.
* stimulates plant growth.
* strong radiator of infra-red.
* suppresses fires quickly without leaving a residue.
* three-dimensional clean agent.
* tissue building chemical.
* traps heat and warms the atmosphere
  - in our lower atmosphere
* waste product exhaled by humans, but they ingest it when they drink cola drinks.
* waste product of aerobic respiration in plant cells
  - animal metabolism and is exhaled in breathing
  - cellular activity
  - respiration and oxygen waste product of photosynthesis
+ Carbon diet: Environment :: Nature :: Green politics
  - dioxide, Isolation and production: Organic compounds :: Biochemistry :: Greenhouse gases :: Oxides
  * Chemists get carbon dioxide from cooling air. They call this air distillation. But this method is inefficient. Chemists can also use several different chemical reactions to separate carbon dioxide. Carbon dioxide is made in the reactions between most acids and most metal carbonates
  - footprint: Ecology
  * Doing something that burns fuel will make carbon dioxide gas in the smoke. Carbon dioxide has carbon in it. Just as walking on the sand leaves a footprint, burning fuel leaves carbon dioxide in the air, which is called a carbon footprint
+ Carbonation, Chemistry: Chemistry :: Geology
+ Lung: Anatomy of the respiratory system
  * The alveoli are moist to allow oxygen to move from the lung through the alevoli into blood vessels and red blood cells. Carbon dioxide passes from the blood into the alveoli. The oxygen-filled blood goes back to the heart and the carbon dioxide in the alveoli is pushed out of the lungs and into the air we breathe out.
  * However, humans are adding greenhouse gases to the atmosphere. Mainstream science believes that this has caused the planet's average temperature to rise by causing the greenhouse effect. Carbon dioxide is released when people burn fossil fuels, like oil, coal, and natural gas. Carbon dioxide emissions come mostly from transportation, energy and industries. Among these, the largest contributor is from meat production.
+ Photosynthesis, Factors affecting photosynthesis, Carbon dioxide levels: Cell biology :: Cellular respiration :: Metabolism :: Plant physiology