The Nile River had provided transportation, food, and silt for farming. So the Desert had kept Egypt isolated from the rest of the World, which was good because it kept out invaders, but its also horrible because they could not trade until later on. Hope this Helps :) <span />
Explanation:
(a) Archives are places where manuscripts are kept. (b) Ziyauddin Barani was a fourteenth-century chronicler. (c) Potatoes, corn, chillies, tea and coffee were some of the new crops introduced into the subcontinent during this period.
The answers are, in order, the Krebs cycle and oxidative phosphorylation.
The battle of Kettle Creek ended on February 14, 1779