Prehistoric Tools and Weapons. PLEISTOCENE PERIOD: 1.8 million to 10,000 years ago. Stone tools are the oldest traces of human activity. The theories of the origin of humans vary widely and have been at the center of heated debates for hundreds of years.
2.2.2 Structure of small-farm systems. A useful way of introducing the discussion of following chapters is to look briefly via examples at the structure of two of the small-farm types, the partly commercialized farms (Type 2) and the near-subsistence farms (Type 1).
Garlic (Allium sativum) is a species in the onion genus, Allium.Its close relatives include the onion, shallot, leek, chive, and Chinese onion.. Garlic is native to Central Asia and northeastern Iran, and has long been a common seasoning worldwide, with a history of several thousand years of human consumption and use.