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  2. Haldane effect - Wikipedia

    en.wikipedia.org/wiki/Haldane_effect

    The Haldane effect is a property of hemoglobin first described by John Scott Haldane, within which oxygenation of blood in the lungs displaces carbon dioxide from hemoglobin, increasing the removal of carbon dioxide. Consequently, oxygenated blood has a reduced affinity for carbon dioxide.

  3. United States nationality law - Wikipedia

    en.wikipedia.org/wiki/United_States_nationality_law

    Nationality defines the legal relationship between a person and a state or nation, specifying who is a member or subject of a particular nation. [3] [4] [5] The rights and obligations of citizenship are defined by this relationship, as well as the protections to which nationals are entitled.

  4. Green card - Wikipedia

    en.wikipedia.org/wiki/Green_card

    Green-card holders may petition for permanent residency for their spouse and children. [58] U.S. green-card holders have experienced separation from their families, sometimes for years. A mechanism to unite families of green-card holders was created by the LIFE Act by the introduction of a "V visa", signed into law by President Clinton. The law ...

  5. Diversity Immigrant Visa - Wikipedia

    en.wikipedia.org/wiki/Diversity_Immigrant_Visa

    However, the final version of this bill with amendments, signed into law on December 26, 2007, did not include the removal of funds for the program. Although H.R. 2764 was an appropriation bill and could only cut funds for the lottery during one fiscal year, this was the first time that both the House and the Senate passed a bill to halt the ...

  6. Effect of oxygen on chronic obstructive pulmonary disease

    en.wikipedia.org/wiki/Effect_of_oxygen_on...

    The Haldane effect: most carbon dioxide is carried by the blood as bicarbonate, and deoxygenated hemoglobin promotes the production of bicarbonate. Increasing the amount of oxygen in the blood by administering supplemental oxygen reduces the amount of deoxygenated hemoglobin, and thus reduces the capacity of blood to carry carbon dioxide.

  7. Immigration Reform and Control Act of 1986 - Wikipedia

    en.wikipedia.org/wiki/Immigration_Reform_and...

    The law established financial and other penalties for those employing undocumented migrants, under the theory that low prospects for employment would reduce undocumented migration. Regulations promulgated under the Act introduced the I-9 form to ensure that all employees presented documentary proof of their legal eligibility to accept ...

  8. Deferred Action for Parents of Americans - Wikipedia

    en.wikipedia.org/wiki/Deferred_Action_for...

    Deferred Action for Parents of Americans and Lawful Permanent Residents (DAPA), sometimes called Deferred Action for Parental Accountability, was a planned United States immigration policy to grant deferred action status to certain undocumented immigrants who have lived in the United States since 2010 and have children who are either American citizens or lawful permanent residents.

  9. Scientific phenomena named after people - Wikipedia

    en.wikipedia.org/wiki/Scientific_phenomena_named...

    Haitz's law – Roland Haitz; Haldane effect – John Scott Haldane; Haldane's principle – John Burdon Sanderson Haldane; Hale solar cycle – George Ellery Hale; Hall effect – Edwin Hall; Hamilton's rule – William Donald "Bill" Hamilton; Hamming code, Hamming distance, Hamming weight – Richard Hamming; Hammond postulate – George ...