What is something that influences or causes a result?

Which nation in Northeast Africa was first settled around 3100 B.C.E.?

What is the longest river in the world, flowing through eastern Africa to a delta in northeastern Egypt?

What is the body of water north of Africa called?

Which society along the Nile River, south of Egypt, existed from about 2000 B.C.E. to 350 C.E.?

What is the name of the land northeast of Egypt, settled by the ancient Israelites, from about 1800 to 70 C.E.?

Which river in southwestern Asia flows from the Lebanon Mountains, south through the Sea of Galilee, into the Dead Sea?

What term describes the shape and elevation of surface features, such as mountains or deserts, of a place or region?

What is a group of people or elements with obvious differences between one another called?

What term refers to one part of something?

What term is used to describe the plants of a place or region?