The "mozart effect" a) only applies to infants and young toddlers. b) lasts only about 15 minutes. c) is easily replicated in participants of all ages. d) results in iq gains of 10 to 15 points.

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.

The economy of the united states is best described as

Which organelle is marked with an x?