Some fast-food restaurants sell only chicken, others sell only tacos and burritos, and still, others sell only hamburgers. This is an example of the economic concept of:

Investment

Elasticity

Business Cycles

Specialization

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

Which factors are examples of how technology may have affected the great migration apex

The most likely reason why an ancient greek might worship more than one god is that?