What country was the Sahara desert located on?

How does the Severn barrage work? What state is often called the great lakes state? How old is Mammoth Cave? Are trout native to Lake Michigan? What is the day to day life in the desert? How deep is comox lake in BC Canada at the deepest spot? What are the two large rivers that feed directly into the Amazon? What part of the Indian Ocean located in an oil-rich? What is Minerals and debris that settle at the bottom of a river are called? Why does water in waterfall appears white? Where is the Hawthorne Works Museum in Cicero Illinois located? Where is the museum on gta San Andreas? How wide is the widest point of the river Amazon? Why are there so few forests in eastern mediterrannean? Where does the green river in Utah start? Who Does Abigail topps fancy? What does Ocean State sch mean? An animal that lives in the rainforest which hangs upside down from a tree and it might begin with a P? Is the ocean lower in elevation an rivers? What layer of the rain forest is the Goliath beetle found on?