From the time of Muhammad to 1450, which of the following best describes the movement of the knowledge of technological advances?

Iwhich the following is not a characteristic of george washington

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps