H2A, H-2A or H-IIA can refer to:
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Histone H2A, a component of DNA higher structure in eukaryotic cells
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H-IIA, a family of Japanese rockets.
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H-2A Visa
An H-2A visa allows a foreign national worker into the United States for temporary agricultural work. There are several requirements of the employer in regard to this visa. The H-2A temporary agricultural program establishes a means for agricu ...
, a temporary, nonimmigrant visa allowing foreign nationals entry into the
U.S.
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
for seasonal agricultural work.
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