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Why countries and terrorists choose bio weapons
1. Bio weapons are very cheap. 2. They kill large number of people. Example: 10 gms of anthrax can kill 1.3 million people. 3. They are invisible, odorless, tasteless when released. A popular example of such bio-war is Anthrax. It was recently used by followers of Osama Bin laden on ..
U.S. HISTORY
Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial ..
U.S. HISTORY
Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial ..
U.S. HISTORY
Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial ..
U.S. HISTORY
Era 1: Three Worlds Meet (Beginnings to 1620) Era 2: Colonization and Settlement (1585-1763) Era 3: Revolution and the New Nation (1754-1820s) Era 4: Expansion and Reform (1801-1861) Era 5: Civil War and Reconstruction (1850-1877) Era 6: The Development of the Industrial ..
Space Exploration Introduction
In 1926, an American rocket engineer Robert Goddard, built and tested the first rocket which used liquid fuels instead of solid gun powder. During the Second World War powerful liquid fuel rockets were built by Germans to carry explosives. Later, Americans started buil..
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