The most concentrated source of calories comes from?

In the kingdom of saudi arabia the government controls every aspect of oil production which makes up the majority of the country's economy. while other businesses are owned by individuals, the biggest segment of saudi arabia's economy is oil production. saudi arabia's economy would best be described as a) entirely market. b) almost entirely command. c) a mixture between just market and traditional. d) a mixed economy with large amounts of command.

What impact does geography have on where people live in brazil?

How long was it from the time african american men were given the right to vote until women were given the right to vote?