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== Carbon footprint == ...upport human activities. This is usually expressed in equivalent tons of [[carbon dioxide]] (CO2).

...dary, and tertiary, based upon the number of carbon atoms connected to the carbon atom that bears the hydroxyl functional group. ...(الكحل), a powder used as an eyeliner. Al- is the Arabic definite article, equivalent to the in English. It was used in Middle English to refer to any sublimated

...n individual, event, organization, or product, expressed as carbon dioxide equivalent. * [[Low-Carbon Economy]]

...a chemical compound with the chemical formula CH₄ (one atom of carbon and four atoms of hydrogen). It is a group-14 hydride and the simplest [[al ...H. The lowest energy MO is the result of the overlap of the 2s orbital on carbon with the in-phase combination of the 1s orbitals on the four hydrogen atoms

...]. The primary greenhouse gases in the Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. ...oxide (CO2)]]''' - A minor but very important component of the atmosphere, carbon dioxide is released through natural processes such as respiration and volca

...sedimentary rock that can be burned for fuel. It is primarily composed of carbon along with various other elements such as hydrogen, sulfur, oxygen, and nit ...rying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, and hydrogen sulfide.

.... It is defined as one twelfth of the mass of an unbound neutral atom of [[carbon-12]] in its nuclear and electronic ground state, and has a value of approxi ...tomic and molecular weights, equivalent to 1/12 of the mass of one atom of carbon-12.

...directly support human activities, usually expressed in equivalent tons of carbon dioxide (CO2). [[Category:Carbon Footprint]]

...directly support human activities, usually expressed in equivalent tons of carbon dioxide (CO2).

...nt configurations at one or more (but not all) of the equivalent (related) carbon atoms, these are termed diastereoisomers. This is in contrast to [[Enantiom

...e and engineering to express the level of impurities in a substance. It is equivalent to milligrams per kilogram (mg/kg) or milliliters per liter (ml/l). ...f pollutants in the air, water, or soil. For example, the concentration of carbon dioxide in the atmosphere is often reported in parts per million.

...cock, also known as a birdie, is a projectile with feathers or a synthetic equivalent attached to a cork base.

...sac and the liver during fetal development. It is thought to be the fetal equivalent of serum albumin. ...mpounds with a characteristic molecular structure containing four rings of carbon atoms.

...become a general dentist.  State licensing boards accept either degree as equivalent, and both degrees allow licensed individuals to practice the same scope of ...r's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical