H2A, H-2A or H-IIA can refer to:

• Histone H2A, a component of DNA higher structure in eukaryotic cells
• H-IIA, the Japanese rocket type H-IIA. Histone H2A is one of the 5 main Histone Proteins involved in the structure of Chromatin in eukaryotic cells The H-IIA ( H2A) is a family of liquid-fuelled Rockets providing an Expendable launch system for the purpose of launching Satellites into
• H-2A Visa, a temporary, nonimmigrant visa allowing foreign nationals entry into the U.S. for seasonal agricultural work. An H-2A visa allows a foreign national entry into the US for temporary or seasonal agricultural work The United States of America —commonly referred to as the

---

© 2009 citizendia.org; parts available under the terms of GNU Free Documentation License, from http://en.wikipedia.org
Dapyx Software network: MP3 Explorer | Ebook Manager | Zenithic