Answer:
C. interracial background
Explanation:
The race of one's family and background does not affect one's behavior.
Answer:
society.
Explanation:
The evolutionary theory of Charles Darwin inspired many sociologist to suggest that society is itself an organism which evolves from a primitive stage to a modern one. L.H Morgan suggests three stages of evolution which are savagery, barbarism, and civilization by which society moves from simple to more complex form. British sociologist Herbert Spencer applied Darwin's theory of survival of the fittest to society and according to him western societies are better adaptive to the changing times and therefore they are surviving and evolving.
Answer: d.the type of behavior children exhibits in school.
The dependent variable in the experiment is the variable a researcher is interested in. The researcher would like to know if the independent variable will affect the dependent variable.
In the example, the number of times a family eats together is the independent variable. The dependent variable which the researcher is interested in is the type of behavior children exhibits in school.