Answer:
I'm not sure about this one, but the answer could possibly be agriculture!
Explanation:
Answer:
Demographic measures are the actual changes in size, composition and distribution due to changes in demographic components like birth, death and migration, as a result of their respective processes like rate of fertility, mortality and migration.
Answer: A) describe behavior
Explanation:
Describing behavior of any event or person is doen through observation technique .Observing the pattern of something helps in understanding and analyzing act or thought that is taking place in the scenario.
According to the question, Sharon is using behavior description to determine the pattern of food purchase in cafeteria through observing and understanding.
Other options are incorrect because predictive behavior, explanation of behavior and behavior causes are not the factors represented through question's scenario as per goal of science.Thus, the correct option is option(A).