Why did the U. S. government establish national parks? A. To protect certain areas and ecosystems from the rapid growth in population in urban areas
B. To promote growth in the urban population by constructing parks within city limits
C. To designate areas used to extract natural resources in high demand for large cities
D. To limit the growth of large cities by restricting development outside of protected boundaries

The process of learning acceptable social behavior and values is called

Agraduate student wants to examine the effect of print media versus televised media on individuals’ position on several social issues. the superintendent of a local work release facility, a family friend, will allow the graduate student access to the prison population to her quickly accrue subjects. the student’s irb should: approve this project since the risk appears to be no > minimal.not approve this project because the prisoners are merely a population of convenience for the student.approve this project since the superintendent is the ultimate authority on what happens in his facility.approve this project but submit it for federal review.

Population parameters are difficult to calculate due to