|
Author Question: Some sort of complex division of labor and centralized political organization is necessary for the ... (Read 70 times) |
Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").