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  2. Carbon monoxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide

    Carbon monoxide is a strong reductive agent and has been used in pyrometallurgy to reduce metals from ores since ancient times. Carbon monoxide strips oxygen off metal oxides, reducing them to pure metal in high temperatures, forming carbon dioxide in the process. Carbon monoxide is not usually supplied as is, in the gaseous phase, in the ...

  3. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Other examples include carbon monoxide gas from motor vehicle exhausts or sulfur dioxide released from factories. Secondary pollutants are not emitted directly. Rather, they form in the air when primary pollutants react or interact. Ground level ozone is a prominent example of a secondary pollutant. Some pollutants may be both primary and ...

  4. Carbon monoxide poisoning - Wikipedia

    en.wikipedia.org/wiki/Carbon_monoxide_poisoning

    Carbon monoxide also binds to the hemeprotein myoglobin. It has a high affinity for myoglobin, about 60 times greater than that of oxygen. [21] Carbon monoxide bound to myoglobin may impair its ability to utilize oxygen. [49] This causes reduced cardiac output and hypotension, which may result in brain ischemia. [21]

  5. What are symptoms of carbon monoxide poisoning? Here's ... - AOL

    www.aol.com/symptoms-carbon-monoxide-poisoning...

    Carbon monoxide (CO) is a colorless, practically odorless, and tasteless gas or liquid. According to the United States Environmental Protection Agency, ...

  6. Environmental impact of aviation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    A carbon offset is a means of compensating aviation emissions by saving enough carbon or absorbing carbon back into plants through photosynthesis (for example, by planting trees through reforestation or afforestation) to balance the carbon emitted by a particular action. However, carbon credits permanence and additionality can be questionable. [75]

  7. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.

  8. The Best Place to Put a Carbon Monoxide Detector (and 5 ... - AOL

    www.aol.com/lifestyle/best-place-put-carbon...

    Leaks from the furnace, water heater, or other appliances can release invisible carbon monoxide into your home. Correctly installing an alarm can keep you safe. The Best Place to Put a Carbon ...

  9. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    Many countries monitor ground-level ozone, particulates, sulfur dioxide, carbon monoxide and nitrogen dioxide, and calculate air quality indices for these pollutants. [ 12 ] The definition of the AQI in a particular nation reflects the discourse surrounding the development of national air quality standards in that nation. [ 13 ]

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