predominantly quartz mineral particles that are between sand size and clay size, i.e., between 1/16 and 1/256 mm (1/406 –1/6502 in.) in diameter. Si...
(s pär´) (KEY) , ancient city of N Babylonia, on the Euphrates in present Iraq, 20 mi (32 km) SW of Baghdad. It was one of the capitals of Sargon an...
name for several plants, among them black snakeroot (see bugbane), button snakeroot or blazing star, senega snakeroot (see milkwort), and white snaker...
(1845–49), two conflicts preceding the British annexation of the Punjab. By a treaty with the British in 1809, the Sikh ruler of the Punjab, Ranjit ...