User:Devijvers

Teleilat el Ghassul

:Stone age trading, large societies, irrigation

Beaker culture

:First fermentation, introduction of copper smelting into Europe, introduction of horse-back riding in Europe, introduction of the wheel in Europe.

:Trade of seaweed which contains amber from the Baltic sea to Egypt.

:New breed of sheep with better quality wool, warmer clothes for European cold winters, introduction of spinning, dyeing becoming important in Europe.

[http://www.webcitation.org/5mbdeVEXb Webcite link]

[http://www.dailykos.com/storyonly/2010/1/6/822520/-Freak-Current-Takes-Gulf-Stream-to-Greenland West Greenland current story link]

\tan A=\frac{\textrm{opposite}}{\textrm{adjacent}}

\frac{\tan A}{\textrm{opposite}}=\frac{1}{\textrm{adjacent}}

{\textrm{adjacent}} \left ( \frac{\tan A}{\textrm{opposite}} \right )=1

{\textrm{adjacent}}=\frac{1}{\left ( \frac{\tan A}{\textrm{opposite}} \right )}