Which of the following is not associated with mass production?
a. assembly line
b. division of labor
c. interchangeable parts
d. craftsmanship
e. standardized products

What are some things that limit population growth?

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.