How many humans are alive today, and how many total have lived on the planet in the last 50,000 years?

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.

Ato z on the bun timeline show where the events listed a through g board blow fit on the timeline

When arriving at a navigation lock what is the order of priority